If more than half the computer power or mining hash rate on a network is run by a single person or a single group of people, then a 51% attack is in operation.
API stands for Application Programming Interface. It is a set of routines, protocols, and tools for building software applications. APIs specify how software components should interact, such as what data to use and what actions should be taken.
An acronym for application-specific integrated circuit — a device designed for the sole purpose of mining cryptocurrencies.
A place where cryptocurrency can be sent to and from, in the form of a string of letters and numbers.
A process or set of rules to be followed in problem-solving or calculation operations, usually by a computer, although humans tend to follow steps algorithmically as well (let’s say doing math or following a recipe).
The highest point (in price, in market capitalization) that a cryptocurrency has been in history. *see All-Time-Low (ATL).
The lowest point (in price, in market capitalization) that a cryptocurrency has been in history. *see All-Time-High (ATH).
As Bitcoin is the first cryptocurrency that captured the world’s imagination, all other coins were subsequently termed “altcoins,” as in “alternative coins.”
A political philosophy originally conceived by American economist Murray Rothbard that has now been embraced by many members of the crypto community.
A set of international laws enacted to curtail criminal organizations or individuals laundering money through cryptocurrencies into real-world cash.
Arbitrage is the practice of quickly buying and selling the same asset in different markets to take advantage of price differences between the markets.
The complete loss of a trader's total invested capital, specifically as a result of shorting Bitcoin.
The minimum price that a seller is willing to accept for an asset. The ask price is also sometimes referred to as the offer price.
The practice of disguising marketing campaigns or otherwise sponsored messaging as the unprompted views of genuine community members.
The transfer of cryptocurrency from one party to another, without the use of an exchange or other intermediary.
An attestation ledger is an account book designed to provide evidence of individual transactions. It is generally used to “attest” that a financial transaction took place, or to prove authenticity of transactions or products.
Crypto slang for a large quantity of a specific cryptocurrency. Alternatively (but less frequently) used to refer to the contents of an individual's crypto portfolio.
An investor who continues to hold large amounts of a specific coin or token, regardless of its performance.
Someone who believes that prices in a given market will decline over an extended period. Such a person might be referred to as “bearish.”
The attempted manipulation of a specific cryptocurrency’s price, based on the coordinated activity of a group of traders.
A business license permitting regulated virtual currency activities, issued by the New York State Department of Financial Services.
An automated teller machine (ATM or cashpoint) that allows the user to buy and sell Bitcoin.
A file containing information on transactions completed during a given time period. Blocks are the constituent parts of a blockchain.
An application enabling a user to view details of blocks on a given blockchain. Also known as a blockchain browser.
The coins awarded to a miner or group of miners for solving the cryptographic problem required to create a new block on a given blockchain.
A distributed ledger system. A sequence of blocks, or units of digital information, stored consecutively in a public database. The basis for cryptocurrencies.
A tool developed by Bollinger to help in the recognition of systemic pattern recognition in prices; it is a band that is plotted two standard deviations away from the simple moving average, or exponential moving average in some cases.
A bonding curve is a mathematical curve that defines the relationship between the price and the supply of a given asset.
A person that is optimistic and confident that market prices will increase, this person is also known to be "bullish" about the market or price.
A bull trap occurs when a steadily declining asset appears to reverse and go upward, but soon resumes its downward trend.
Cryptocurrency tokens or coins are considered “burned” when they have been purposely and permanently removed from circulation.
An enthusiastic exclamation by supporters of a cryptocurrency to buy while prices are at a low point.
A buy wall is a disproportionately large buy limit order placed on a cryptocurrency exchange.
Byzantine Fault Tolerance (BFT) is the property of a computer system that allows it to reach consensus regardless of the failure of some of its components.
A candlestick chart is a graphing technique used to show changes in price over time. Each candle provides 4 points of information opening price, closing price, high, and low. Also known as “candles” for short.
Cash is the most liquid form of money: physical coins and banknotes in the most narrow sense of the term.
CBDCs are digital currencies issued by a central bank whose status as legal tender depends on government regulation or law.
A central ledger is a physical book or a computer file used to record transactions in a centralized manner.
A central processing unit (CPU) is the part of a computer that is in charge of interpreting and executing programs and coordinating the work of all other components.
A centralized organizational structure is one in which a single node or a small number of them are in control of an entire network.
Centralized exchanges (CEXs) are a type of cryptocurrency exchange that is operated by a company that owns it in a centralized manner.
Chain splits are another term used to describe cryptocurrency forks — the separation of a single original coin into several independently managed projects.
Change — a concept relevant to cryptocurrencies that use the UTXO model — is the number of coins sent back to a user after they use their unspent outputs to initiate a transaction.
A chargeback is the return of money to the payer of a certain transaction, most commonly one that was made with a credit or debit card.
The best approximation of the number of coins that are circulating in the market and in the general public’s hands.
A client is software that can access and process blockchain transactions on a local computer. A common application of this is a cryptocurrency software wallet.
A coin can refer to a cryptocurrency that can operate independently or to a single unit of such cryptocurrency.
In mineable cryptocurrencies, a coinbase is the number of coins that are generated from scratch and awarded to miners for mining every new block.
Offline storage of cryptocurrencies, typically involving hardware non-custodial wallets, USBs, offline computers, or paper wallets.
A collateralized debt position is held by locking collateral in smart contracts to generate stablecoins.
A cryptocurrency transaction is considered confirmed when it is included in a block on the blockchain. Each new block after the first one is an additional confirmation for that transaction.
Consensus is achieved when all participants of the network agree on the order and content of the blocks in the blockchain.
A privately owned and operated blockchain where a consortium shares information not readily available to the public, while relying on the immutable and transparent properties of the blockchain.
A correction is a pullback of an asset’s price of at least 10% to adjust for over-valuation.
A cryptoasset is any digital asset that uses cryptographic technologies to maintain its operation as a currency or decentralized application.
Cryptocurrencies are digital currencies that use cryptographic technologies to secure their operation.
Cryptographic hash functions produce a fixed-size hash value from a variable-size transaction input.
A field of study and practice to secure information, preventing third parties from reading information to which they are not privy.
Custodial cryptocurrency businesses are the ones that are in possession of their customers’ funds for the duration of the use of their services.
A portion of the internet existing on darknets not indexed by search engines, that can only be accessed with specific software, configurations or authorizations.
Day trading is the practice of frequently buying and selling assets in order to make a profit on intraday changes in their price.
DeFi degenerates. A subculture associated with a disreputable corner of decentralized finance known for pump and dump schemes.
Decentralization refers to the property of a system in which nodes or actors work in concert in a distributed fashion to achieve a common goal.
A type of application that runs on a decentralized network, avoiding a single point of failure.
A method for decentralized funding of projects that introduces a form of governance in the ICO process, allowing backers to vote for the return of their funds if certain conditions are met.
An organization that is run through rules encoded in smart contracts.
A peer-to-peer exchange allowing users to trade cryptocurrency without the need for an intermediary.
The process of transforming encrypted data back into a format that is readable by a user or machine.
An alternative to the Proof-of-Stake and Proof-of-Work consensus algorithms.
A graph that plots the requests to buy (bids) and the requests to sell (asks) on a chart, based on limit orders. The chart shows the point at which the market is most likely to accept a transaction.
A public market for derivatives, instruments such as futures contracts or options, which are derived from other forms of cryptocurrency assets.
A type of cryptocurrency wallet in which keys and addresses are created from a single seed.
A currency that exists only in digital form, as opposed to traditional physical currencies.
Information used by a person or entity to identify themselves to a computer or network.
No, not that. The red or green “candles,” or vertical lines, on graphs showing cryptocurrency market data.
A way of structuring data, often used for data modelling, and increasingly as a consensus tool in cryptocurrencies.
An attempt by a bad actor to disrupt the operation of an application, server or network by flooding it with traffic.
Distributed ledgers are ledgers in which data is stored across a network of decentralized nodes. A distributed ledger does not necessarily involve a cryptocurrency and may be permissioned and private.
A database that is shared by multiple participants, in multiple places. The basis for blockchains.
A network in which the data and applications are dependent on multiple sources, as opposed to one location.
Minuscule transactions that flood and slow the network, usually deliberately created by people looking to disrupt it.
Stands for “Explain Like I’m 5,” an explanation so simple that even a five-year-old can understand it.
A token standard for Ethereum, used for smart contracts implementing tokens. It is a common list of rules defining interactions between tokens, including transfer between addresses and data access.
A token standard for non-fungible Ethereum tokens. An Ethereum Improvement Proposal introduced in 2017, it enables smart contracts to operate as tradeable tokens similar to ERC-20 tokens.
Emission, also known as Emission Curve, Emission Rate and Emission Schedule, is the speed at which new coins are created and released.
A group of Ethereum developers, startups and large corporations working together to commercialize and use Ethereum for business applications.
An escrow is a contractual arrangement in which a third party receives and disburses money or documents for the primary transacting parties, with the disbursement dependent on conditions agreed to by the transacting parties. This is possible to be automated using smart contracts on the blockchain.
The form of payment used in the operation of the distribution application platform, Ethereum, in order to incentivize machines into executing the requested operations.
Ethereum Improvement Proposals (EIPs) describe standards for the Ethereum platform, including core protocol specifications, client APIs, and contract standards.
A Turing-complete virtual machine that enables execution of code exactly as intended; it is the runtime environment for every smart contract. Every Ethereum node runs on the EVM to maintain consensus across the blockchain.
Cryptocurrency exchanges (sometimes called digital currency exchanges) are businesses that allow customers to trade cryptocurrencies for fiat money or other cryptocurrencies.
An acronym that stands for “Fear of Missing Out” and in the context of investing, refers to the feeling of apprehension for missing out on a potentially profitable investment opportunity and regretting it later. *see JOMO.
An acronym that stands for “Fear, Uncertainty and Doubt.” It is a strategy to influence perception of certain cryptocurrencies or the cryptocurrency market in general by spreading negative, misleading or false information. *see FUDster.
A cryptocurrency reward system usually on a website or app, that rewards users for completing certain tasks. It is mostly a technique used when first launching an altcoin to interest people in the coin.
Fiat currency is “legal tender” backed by a central government, such as the Federal Reserve, and with its own banking system, such as fractional reserve banking. It can take the form of physical cash, or it can be represented electronically, such as with bank credit.
Also known as “pegged cryptocurrency,” it is a coin, token or asset issued on a blockchain that is linked to a government- or bank-issued currency. Each pegged cryptocurrency is guaranteed to have a specific cash value in reserves at all times.
A fish, or minnow, is someone who holds insignificant amounts of cryptocurrencies, often at the mercy of whales who move the market up and down. *see Dolphin and Whale.
A situation hoped for by Ethereum fans, where the total market cap of Ethereum surpasses the total market cap of Bitcoin.
An investment strategy (mostly popularized by real estate investing) where you buy something with the goal of reselling for a profit later, usually in a short period of time. In the context of ICOs, flipping refers to the strategy of investing in tokens before they are listed on exchanges, then quickly reselling them for a profit when they start trading on exchanges in the secondary market.
Forks, or chain splits, create an alternate version of the blockchain, leaving two blockchains to run simultaneously. An example is Ethereum and Ethereum Classic, which was forked after the DAO hack.
A software fork, also known as a project fork, is when developers take the technology (source code) from one existing software project and modify it to create a new project. An example is Litecoin, which was a software fork of Bitcoin.
Nodes that download a blockchain’s entire history in order to observe and enforce its rules.
A method in which you research the underlying value of an asset by looking at the technology, team, growth prospects and other indicators. Some people perform fundamental analysis as part of an investment strategy called “value investing.”
A term used on the Ethereum platform that refers to a unit of measuring the computational effort of conducting transactions or smart contracts, or launch DApps in the Ethereum network. It is the “fuel” of the Ethereum network. *see Gas Limit and Gas Price.
A term used on the Ethereum platform that refers to the maximum amount of gas the user is willing to spend on a transaction.
A term used on the Ethereum platform that refers to the price you are willing to pay for a transaction.
The first block of data that is processed and validated to form a new blockchain, often referred to as block 0 or block 1.
A coin or token issued that represents a value of gold; for example, one physical gram of gold equals one coin.
A governance token is a token that can be used to vote on decisions that influence an ecosystem.
More commonly known as a graphics card, it is a computer chip that creates 3D images on computers, but has turned out to be efficient for mining cryptocurrencies.
A type of passive investment strategy where you hold an investment for a long period of time, regardless of any changes in the price or markets. The term first became famous due to a typo made in a Bitcoin forum, and the term is now commonly expanded to stand for “Hold On for Dear Life.”
Hacking is the process of using a computer to manipulate another computer or computer system in an unauthorized fashion.
A type of protocol change that validates all previously invalid transactions, and invalidates all previously valid transactions.
The act of performing a hash function on input data of arbitrary size, with an output of fixed length that looks random and from which no data can be recovered without a cipher. An important property of a hash is that the output of hashing a particular document will always be the same when using the same algorithm.
Any function used to map data of arbitrary size to data of a fixed size. *see Cryptographic Hash Function.
A unit of measurement for the amount of computing power being consumed by the network to continuously operate.
Hidden cap is an unknown limit to the amount of money a team elects to receive from investors in its initial coin offering (ICO). The purpose of a hidden cap is to even the playing field by letting smaller investors put in money, without the large investors forming an accurate understanding of the total cap and adjusting their investment as a result.
A wallet that uses Hierarchical Deterministic (HD) protocol to support the generation of crypto-wallets from a single master seed using 12 mnemonic phrases. *see Deterministic Wallet.
The online storage of private keys allowing for quicker access to cryptocurrencies. *see Cold Storage.
A cryptocurrency wallet that is connected to the internet for hot storage of cryptoassets, as opposed to an offline, cold wallet with cold storage. *See Cold Wallet.
A hybrid PoW/PoS allows for both proof-of-stake and proof-of-work as consensus distribution algorithms on the network. This approach aims to bring together the security of PoW consensus and the governance and energy efficiency of PoS.
Impermanent loss is when a liquidity provider has a temporary loss of funds because of volatility in a trading pair.
Pre-approving smart contracts to enable the platform to spend any amount of your coins.
An initial bounty offering or IBO is the limited-time process by which a new cryptocurrency is made public and distributed to people who invest time and skill into earn rewards in the new cryptocurrency, such as doing translation or marketing. Unlike an initial coin offering where you can buy coins, an IBO requires more mental commitment from the receiver.
A type of crowdfunding, or crowdsale, using cryptocurrencies as a means of raising capital for early-stage companies. It has come under fire due to the occurrence of scams and market manipulators.
An initial exchange offering (IEO) refers to a fundraising event where a cryptocurrency exchange raises money on its own platform, as opposed to an ICO, where a team conducts the fundraising. *See Initial Coin Offering.
Similar to ICOs, but the focus is on the offering of tokens with proven (or unproven) intrinsic utility in the form of software or usage in an ecosystem.
A period in time, shortly after launch, when a large portion of total mineable coins or tokens are mined in a compressed time frame, and may be unevenly and quickly distributed to investors.
An intermediary, or middleman, is a person or entity that acts as the go-between different parties to bring about agreements or carry out directives.
The opposite state of FOMO, JOMO stands for “Joy of Missing Out.” Most often used by no-coiners who declare their happiness that they are not involved in cryptocurrencies, usually when prices are declining or a scam ICO is revealed.
Acronym for “Know Your Customer,” this process refers to a project’s or financial institution’s obligations to verify the identity of a customer in line with global anti-money laundering laws.
Shorthand for Lamborghini, an exotic car that people often refer to in their excitement over getting rich from cryptocurrencies. Often used in cryptocurrency communities when asking when prices may rise again by saying “When Lambo?” It is usually combined with “When moon?”
A record of financial transactions that cannot be changed, only appended with new transactions.
A loan offered by a broker on an exchange during margin trading to increase the availability of funds in trades.
The Lightning Network is a "second layer" payment protocol that operates on top of a blockchain. Theoretically, it will enable fast, scalable transactions between and across participating nodes, and has been touted as a solution to the Bitcoin scalability problem.
Orders placed by traders to buy or sell a cryptocurrency when a certain price is reached. This is in contrast with market orders at which a cryptocurrency is sold at the current best available price.
How easily a cryptocurrency can be bought and sold without impacting the overall market price.
Liquidity pools are crypto assets that are kept to facilitate the trading of trading pairs on decentralized exchanges.
Liquidity providers are decentralized exchange users who fund a liquidity pool with tokens they own.
Liveness is the guarantee that a system will continue to provide data and that no central party can just shutdown their servers or censor data going to a smart contract.
An independent blockchain running its own network with its own technology and protocol. It is a live blockchain where its own cryptocurrencies or tokens are in use, as compared to a testnet or projects running on top of other popular networks such as Ethereum.
When an investor’s account value falls below the margin maintenance amount. The broker will then demand that the investor deposit additional money or securities to meet the minimum required maintenance amount to continue trading.
A practice where a trader uses borrowed funds from a broker to trade a cryptocurrency, which forms the collateral for the loan from the broker. It can be relatively risky for inexperienced traders who may receive a margin call if the market moves in the opposite direction of their trades. * Margin Bear Position The position you are taking if you are going “short” on margin. * Margin Bull Position The position you are taking if you are going “long” on margin.
An area or arena, online or offline, in which commercial dealings are conducted. Usually referred to as the “crypto market,” which refers to the cumulative cryptocurrencies and projects operating within the industry.
Total capitalization of a cryptocurrency’s price. It is one of the ways to rank the relative size of a cryptocurrency. *see Circulating Supply.
A purchase or sale of a cryptocurrency on an exchange at the current best available price. Market orders are filled as buyers and sellers are willing to trade. This is in contrast with limit orders at which a cryptocurrency is sold only at a specified price.
Masternodes are a server maintained by its owner, somewhat like full nodes, but with additional functionalities such as anonymizing transactions, clearing transactions, and participating in governance and voting. It was initially popularized by Dash to reward owners of these servers for maintaining a service for the blockchain.
The best approximation of the maximum amount of coins that will ever exist in the lifetime of the cryptocurrency. *see Circulating Supply and Total Supply.
A tree structure in cryptography, in which every leaf node is labelled with the hash of a data block and every non-leaf node is labelled with the cryptographic hash of the labels of its child nodes. Hash trees allow efficient and secure verification of the contents of blockchains, as each change propagates upwards so verification can be done by simply looking at the top hash.
One millionth of a bitcoin or 0.000001 of a bitcoin. Often confused as a fork of Bitcoin.
A business model where very small payments can be made in exchange for common digital goods and services, such as pages of an ebook or items in a game.
Some cryptocurrencies have a system through which miners can be rewarded with newly-created cryptocurrencies for creating blocks through contributing their hash power. Cryptocurrencies with this ability to generate new cryptocurrencies through the process of confirmation is said to be mineable. * Not Mineable Some cryptocurrencies are generated only through other mechanisms, such as annual inflation through staking. These cryptocurrencies are said to be not mineable.
Contributors to a blockchain taking part in the process of mining. They can be professional miners or organizations with large-scale operations, or hobbyists who set up mining rigs at home or in the office.
A process where blocks are added to a blockchain, verifying transactions. It is also the process through which new bitcoin or some altcoins are created.
Another term for cloud mining, where users can rent or invest in mining capacity online.
A setup where multiple miners combine their computing power to gain economies of scale and competitiveness in finding the next block on a blockchain. Rewards are split according to different agreements, depending on the mining pool. Another term for this is Group Mining.
The reward resulting from contributing computing resources to process transactions. Mining rewards are usually a mix of newly-minted coins and transaction fees.
A computer being used for mining. A mining rig could be a dedicated piece of hardware for mining, or a computer with spare capacity that can be used for other tasks, only mining part time.
Also known as a tumbler, it is a service to improve the privacy and anonymity of cryptocurrency transactions by mixing potentially identifiable or “tainted” cryptocurrencies with other unrelated transactions, making it harder to track what the cryptocurrency was used for and who it belongs to.
A mnemonic phrase (also known as mnemonic seed, or seed phrase) is a list of words used in sequence to access or restore your cryptocurrency assets. It should be kept secret from everyone else. It is a standard in most HD wallets.
Mnemonics are memory aids with a system such as letters or associations that help in recall. *see Mnemonic Phrase.
In the legal code of the United States, a money transmitter or money transfer service is a business entity that provides money transfer services or payment instruments, whether it is real currency, cryptocurrency or any other value. Money transmitters in the US are part of a larger group of entities called money service businesses or MSBs.
A situation where there is a continuous upward movement in the price of a cryptocurrency. Often used in communities to question when a cryptocurrency will experience such a phenomenon, saying “When moon?” It is usually combined with “When Lambo?”
A technical analysis method, it is a trend-following momentum indicator that shows the relationship between two price moving averages. The calculation is done by subtracting the 26-day exponential moving average (EMA) from the 12-day EMA.
Mtgox or Mt. Gox was one of the first websites where users could take part in fiat-to-bitcoin exchange (and vice versa). In 2014, Mt. Gox was shut down after about 850,000 bitcoin was declared lost or stolen. Mt. Gox was created in 2006 by Jed McCaleb who named it after Magic The Gathering Online Exchange where users could use the cards like stocks. Jed later sold Mt. Gox to Mark Karpelès in 2011.
A no-coiner is someone who has no cryptocurrency in his or her investment portfolio and firmly believes that cryptocurrency in general will fail.
Usually referring to the storage of keys, in relation to wallets or exchanges, a non-custodial setup is one in which private keys are held by the user directly.
Non-fungible tokens (NFTs) are cryptocurrencies that do not possess the property of fungibility.
A currency that is created (minted) outside of the specified blockchain ledger but is accepted or used.
The act of storing cryptocurrencies in devices or systems not connected to the internet.
A currency that is both minted on the blockchain ledger and also used on the blockchain ledger, such as Bitcoin.
A situation where two orders for cryptocurrency are placed simultaneously, with a rule in place to enforce that if one is accepted, the other is cancelled.
Open source is a philosophy, with participants believing in the free and open sharing of information in pursuit of the greater common good.
The price at which a cryptocurrency opens at a time period or the programming principle of software parts being extendable.
A contract giving the buyer the right, but not the obligation, to buy or sell an underlying asset or instrument at a specified strike price.
A public market for options, giving the buyer an option to buy or sell a cryptocurrency at a specific strike price, on or before a specific date.
An agent that finds and verifies information, bridging the real world and the blockchain by providing data to smart contracts for execution of said contracts under specified conditions.
Over-the-counter is defined as a transaction made outside of an exchange, often peer-to-peer through private trades.
When a cryptocurrency has been purchased by more and more investors over time, with its price increasing for an extended period of time.
The decentralized interactions between parties in a distributed network, partitioning tasks or workloads between peers.
A ledger designed with restrictions, such that only people or organizations requiring access have permission to access it.
Often used to describe blockchains, a system is said to be permissionless when there is no entity that can regulate who can use it and how it can be used.
When a scammer pretends to be a trusted institution or person to trick people into revealing sensitive information such as Social Security numbers, passwords, banking details, etc., often through a malware link disguised as legitimate.
On CoinMarketCap, platform refers to the parent blockchain of tokens. It may also refer to a cryptocurrency exchange on which you may trade cryptocurrencies.
A fraudulent investment involving the payment of purported returns to existing investors from funds contributed by new investors.
A collection of cryptocurrencies or crypto assets held by an investment company, hedge fund, financial institution or individual.
When some or all of a coin’s initial supply is generated during or before the public launch, rather than being generated over time through mining or inflation. They may be used for legitimate purposes, such as crowdfunding or marketing.
A piece of code generated in asymmetric-key encryption process, paired with a public key, to be used in decrypting information hashed with the public key.
A blockchain consensus mechanism that delivers comparatively fast transactions using identity as a stake.
A blockchain consensus mechanism aiming to bootstrap one blockchain to another with increased energy efficiency, by verifying that a cost was incurred in “burning” a coin by sending it to an unspendable address.
Any verification that provides evidence of a real, living software developer who created a cryptocurrency, in order to prevent an anonymous developer from making away with any raised funds without delivering a working model.
Proof-of-replication (PoRep) is the way that a storage miner proves to the network that they are storing an entirely unique copy of a piece of data.
In simplest terms, PoSt means that someone can now guarantee that they are spending a certain amount of space for storage.
A blockchain consensus mechanism involving choosing the creator of the next block via various combinations of random selection and wealth or age of staked coins or tokens. *see Proof-of-Work (PoW).
A blockchain consensus mechanism involving solving of computationally intensive puzzles to validate transactions and create new blocks. *see Proof-of-Stake (PoS).
The set of rules that define interactions on a network, usually involving consensus, transaction validation, and network participation on a blockchain.
A public address is the cryptographic hash of a public key, allowing the user to use it as an address to request for payment.
An off-chain scaling solution aiming to enable near-instant, low-fee and scalable payments on the Ethereum blockchain, similar to Bitcoin's proposed Lightning Network.
A form of technical analysis that serves as a momentum oscillator, measuring the speed and change of price movements, developed by J. Welles Wilder. It oscillates between zero and 100, where a cryptocurrency is considered overbought when the indicator is above 70 and oversold when below 30.
A copy of a distributed ledger in a network that is distributed to all participants in a cryptocurrency network.
A person whom you may use as an indicator of how not to place buy or sell orders because they are always wrong at predicting price movements of cryptocurrencies.
A cryptographic hash function that generates a 256-bit signature for a text, used in Bitcoin proof-of-work (PoW). Standing for “Secure Hash Algorithm,” it is one of the SHA-2 algorithms, first designed by the NSA.
SIM-swaps — sometimes referred to as port-out scams — have come into the spotlight as a major concern for cryptocurrency holders in recent years.
The individual or group of individuals that created Bitcoin. The identity of Satoshi Nakamoto has never been confirmed.
An alternative proof-of-work (PoW) algorithm to SHA-256, used in Bitcoin mining. Scrypt mining relies more heavily on memory than on pure CPU power, aiming to reduce the advantage that ASICs have and hence increasing network participation and energy efficiency.
A set of solutions built on top of a public blockchain to extend its scalability and efficiency, especially for micro-transactions or actions. Examples include Plasma, TrueBit, Lightning Network and more.
SMPC is a subfield of cryptography that allows parties to compute a function while keeping the inputs private.
An independent agency of the United States federal government, responsible for enforcing federal securities laws, proposing securities rules, and regulating the securities industry, the nation's stock and options exchanges, and other related activities and organizations.
A single starting point when deriving keys for a deterministic wallet. It is usually presented as a series of words to enable the owner to quickly backup or restore a wallet.
A Bitcoin Improvement Proposal (BIP) that aimed to fix transaction malleability on Bitcoin. In the past, when changing the “witness” information (signatures) on blocks, it would change the transaction ID and its subsequent hash. SegWit was aiming to fix this by segregating signature and block content a side effect of this change was smaller block sizes and the ability to support second layer solutions.
A situation in which a miner mines a new block but does not broadcast this new block to the other miners. If this miner is able to find a second block faster than all other miners, then they would have created the longest public chain, invalidating all other blocks discovered in the time it took to execute this attack.
A situation where a large limit order has been placed to sell when a cryptocurrency reaches a certain value. This can sometimes be used by traders to create a certain impression in the market, preventing a cryptocurrency from rising above that value, as supply will likely outstrip demand when the order is executed.
Sharding is a scaling approach that enables splitting of blockchain states into partitions containing states and transaction history, so that each shard can be processed in parallel.
A trading technique in which a trader borrows an asset in order to sell it, with the expectation that the price will continue to decline. In the event that the price does decline, the short seller will then buy the asset at this lower price in order to return it to the lender of the asset, making the difference in profit.
A blockchain ledger that runs in parallel to a primary blockchain, where there is a two-way link between the primary chain and sidechain.
An online black market that existed on the dark web, now shut down by the FBI. It had accepted bitcoins for transactions.
A lightweight client to verify blockchain transactions, downloading only block headers and requesting proof of inclusion to the blockchain in the Merkle Tree.
Slippage happens when traders have to settle for a different price than what they initially requested due to a price movement.
A smart contract is a computer protocol intended to facilitate, verify or enforce a contract on the blockchain without third parties.
A smart contract audit is a security check done by cybersecurity professionals meant to ensure that the on-chain code behind a smart contract is devoid of bugs or security vulnerabilities.
A protocol upgrade where only previously valid transactions are made invalid, with most soft forks requiring miners to upgrade their mining software.
A contract or transaction buying or selling a cryptocurrency for immediate settlement, or payment and delivery, of the cryptocurrency on the market.
A public market in which cryptocurrencies are traded for immediate settlement. It contrasts with a futures market, in which settlement is due at a later date.
A cryptocurrency with extremely low volatility, sometimes used as a means of portfolio diversification. Examples include gold-backed cryptocurrency or fiat-pegged cryptocurrency.
Participation in a proof-of-stake (PoS) system to put your tokens in to serve as a validator to the blockchain and receive rewards.
A block which was successfully mined but not included on the current longest blockchain, usually because another block at the same height was added to the chain first.
A second-layer scaling solution that reduces the total on-chain transactions necessary, moving the transactions off-chain and letting participants sign to the main chain after multiple off-chain transactions.
Decentralized storage refers to the concept of storing files online by splitting them into encrypted fragments and delegating these fragments to multiple nodes on a distributed network, e.g. a blockchain.
The Tangle is a blockchain alternative developed by IOTA, using directed acyclic graphs which only builds in one single direction and in a way that it never repeats, and is quantum-computing resistant.
An evaluation method involving statistical analyses of market activity, such as price and volume. Charts and other tools are used to identify patterns to underpin and drive investment decisions.
Originally an error in writing the full “This is it, gentlemen”. It is now used as an introduction for good news.
A condition for a transaction to only be processed at a certain time or block on the blockchain.
A form of identification for when a certain transaction occurred, usually with date and time of day and accurate to fractions of a second.
A digital unit designed with utility in mind, providing access and use of a larger crypto economic system. It does not have a store of value on its own, but is made so that software can be developed around it.
Token swaps can refer to one of two things: 1. Direct exchange of a certain amount of one cryptocurrency token for another between users facilitated by a special exchange service. 2. Migration of a cryptocurrency token built on top of one blockchain platform to a different blockchain.
The process by which real-world assets are turned into something of digital value called a token, often subsequently able to offer ownership of parts of this asset to different owners.
Tor is free software for enabling anonymous communication. The name is derived from an acronym for the original software project name "The Onion Router." It consists of a network of volunteer relays to conceal users’ location and usage.
The total amount of coins in existence right now, minus any coins that have been verifiably burned. *see Circulating Supply and Max Supply.
A property of the blockchain, where no participant needs to trust any other participant for transactions to be enforced as intended.
Coordinated Universal Time. It is the primary time standard by which the world regulates clocks and time, kept using highly precise atomic clocks combined with the Earth’s rotation.
An output of a blockchain transaction that has not been spent, and can be used as an input for new transactions.
A participant on a proof-of-stake (PoS) blockchain, involved in validating blocks for rewards.
A cryptocurrency public address with custom letters and numbers, usually picked by its owner.
A form of private equity provided to fund small, early-stage firms considered to have high growth potential.
A statistical measure of dispersion of returns, measured by using the standard deviation or variance between returns from that same security or market index.
The amount of cryptocurrency that has been traded during a certain period of time, such as the last 24 hours or more. Volume can show the direction and movement of the cryptocurrency as well as a prediction of future price and its demand.
A cryptocurrency wallet is a secure digital wallet used to store, send, and receive digital currency, and are divided into two categories hosted wallets and cold wallets.
A form of market manipulation in which investors create artificial activity in the marketplace by simultaneously selling and buying the same cryptocurrencies.
A watchlist is a feature of the website where users can create their own lists of cryptocurrencies to follow. Alternative definition A watchlist is a set of pages a user has selected to monitor for changes.
A term used to describe investors who have uncommonly large amounts of crypto, especially those with enough funds to manipulate the market. *see Fish/Minnow and Dolphin.
A list of interested participants in an ICO, who registered their intent to take part or purchase in a sale.
A document prepared by an ICO project team to interest investors with its vision, cryptocurrency use and cryptoeconomic design, technical information, and a roadmap for how it plans to grow and succeed.
Yield farming involves earning interest by investing crypto in decentralized finance markets.
In cryptography, a zero-knowledge proof enables one party to provide evidence that a transaction or event happened without revealing private details of that transaction or event.