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Moonbeam is an Ethereum-compatible smart contract parachain on Polkadot. Moonbeam makes it easy to use popular Ethereum developer tools to build or redeploy Solidity projects in a Substrate-based environment.

Moonbeam is much more than just an EVM implementation: it’s a highly specialized parachain that mirrors Ethereum’s Web3 RPC, accounts, keys, subscriptions, logs, and more. The Moonbeam platform extends the base Ethereum feature set with additional features such as on-chain governance, staking, and cross-chain integrations.

Moonbeam’s Ethereum compatibility is unmatched:

Minimal Changes: developers can use existing Solidity smart contracts right away, with no need to rewrite or reconfigure

Use Existing Developer Tools: connect popular tools like MetaMask, Hardhat, Waffle, Remix, and Truffle via a complete set of Web3 RPC endpoints. Use well-known Javascript libraries such as Web3.Js or Ethers.Js.

Unified Accounts, Addresses, and Signatures: use your existing Ethereum H160 accounts & ECDSA signatures to interact with Moonbeam

Tap into the Most Integrations on Polkadot: use existing oracles, bridges, wallets, and other tools that are already building on Moonbeam

Moonbeam provides integration and connectivity between Polkadot Parachains as well as with other chains such as Ethereum and Bitcoin via bridges. Moonbeam was started in 2019 by Derek Yoo of Pure Stake.

Moonbeam

Boba Network

Acala Token

Astar Network helps developers build decentralized applications (dApps) and layer 2 solutions by providing interoperable web 3.0 infrastructure, financial incentives, incubation programmes and technical support. It seeks to provide the best solution for all developers by supporting EVM and making a parachain where EVM and WASM smart contracts can co-exist and communicate with each other.

Astar connects the Polkadot ecosystem with layer 1 blockchains like Ethereum and Cosmos. It's a Polkadot Parachain, and was designed as a multi-chain Polkadot dApp hub with support for DeFi, NFTs, DAOs, where developers can move beyond infrastructure and focus more on application development.

The project, which is backed by Binance Labs and Coinbase Ventures, operates on two layers: the first layer is built on the Substrate framework, and the second is built using OVM or Optimistic Virtual Machine, for scalability.

Astar

Osmosis (OSMO) is a decentralized exchange (DEX) for Cosmos, an ecosystem of sovereign, interoperable blockchains all connected trustlessly over IBC, the Inter-Blockchain Communication Protocol. Osmosis also offers non-IBC assets bridged from the Ethereum and Polkadot ecosystems. Originally based on Balancer-style pools, Osmosis is moving to a more sustainable concentrated liquidity model that provides a superior trading and liquidity provision experience.

As an appchain DEX, Osmosis has greater control over the full blockchain stack than DEXs that must follow the code of a parent chain. This fine-grained control has enabled, for example, the development of Superfluid Staking, an improvement to Proof-of-Stake security. Superfluid staking allows the underlying OSMO in an LP position to add to chain security and earn staking rewards for doing so. The customizability of appchains also allows for the development of a transaction mempool shielded with threshold encryption, which will greatly reduce harmful MEV on Osmosis.

Osmosis's vision is to build a cross-chain native DEX and trading suite that connects all chains over IBC, including Ethereum and Bitcoin. To build out the trading functionalities, Osmosis has invited external developers to create a bespoke DEX ecosystem that includes lending, credit, margin, fiat on-ramps, Defi strategy vaults, NFTs, stablecoins, and more – all the functionalities of a centralized exchange and more, plus the trust-minimization of decentralized finance.

Osmosis

Secret (SCRT) is a privacy-oriented blockchain built on Cosmos. Its smart contracts are called Secret Contracts and allow DApps to use private data on Secret, similar to how smart contracts operate on other blockchains. However, Secret Contracts transfer encrypted inputs into encrypted outputs without exposing data. This is made possible thanks to the encrypted contract states during the execution.

Data privacy is guaranteed by combining encryption protocols and key management within a Trusted Execution Environment (TEE). This allows Secret Contracts to compete for several privacy-related use cases that traditional blockchains have found difficult to accommodate. For instance, private voting mechanisms or credit scoring applications become possible since they do not expose sensitive user data on-chain with Secret.

Secret

Metis is an Ethereum Layer-2 scaling solution aiming to solve the blockchain trilemma: that blockchains cannot be decentralized, secure, and scalable simultaneously. It also strives to solve Ethereum's biggest challenges: speed, cost and scalability.

Metis wants to help developers create and manage existing decentralized applications (dApps), while also supporting developers and entrepreneurs who want to build and launch new dApps. It also integrates the Decentralized Autonomous Company (DAC) framework into its Layer 2 infrastructure to help developers and businesses move from Web 2.0 to Web 3.0.

Metis

Mina Protocol is a minimal “succinct blockchain” built to curtail computational requirements in order to run DApps more efficiently. Mina has been described as the world’s lightest blockchain since its size is designed to remain constant despite growth in usage. Furthermore, it remains balanced in terms of security and decentralization. The project was rebranded from Coda Protocol to Mina in October 2020.

To learn more about this project, check out our deep dive of Mina Protocol.

The Mina network has a size of only 22 KB, which is miniscule when compared to Bitcoin’s 300 GB blockchain.

Mina

Ethereum-based DYDX ($ethDYDX) is a governance token that allows the dYdX community to truly govern the dYdX Layer 2 Protocol built on Ethereum ("dYdX v3"). ethDYDX is currently undergoing a migration from Ethereum to the dYdX Chain. More information is available here. If you want to migrate ethDYDX to dYdX Chain DYDX, to enable staking, security and governance of the dYdX Chain you can follow the how-to-bridge guide here.

If you want to read about the new token utility for dYdX Chain DYDX you can read the blog here

ethDYDX (dYdX) is the governance token for the layer 2 protocol built on Ethereum. By enabling shared control of dYdX v3, ethDYDX allows traders, liquidity providers, and partners of dYdX to work collectively towards an enhanced dYdX v3.

Built on StarkWare’s StarkEx scalability engine, layer 2 is used for trading of cross-margined perpetuals on the platform. The scaling solution allows dYdX to increase transaction speed, eliminate gas costs, reduce trading fees and lower​​ minimum trade sizes on the protocol.

A total of 1,000,000,000 ethDYDX have been minted, and started to become accessible over five (5) years, on August 3rd, 2021, at 15:00:00 UTC.

dYdX (ethDYDX)

Moonriver is an Ethereum-compatible, smart-contract parachain on Kusama. It is intended to be a companion network to Moonbeam, where it will provide a permanently incentivized canary network. New code will ship to Moonriver first, where it can be tested and verified under real economic conditions. Once proven, the same code will ship to Moonbeam on Polkadot.

It does this by providing a full EVM implementation, a Web3-compatible API, and bridges that connect Moonriver to existing Ethereum networks.

This allows developers to deploy existing Solidity smart contracts and DApp frontends to Moonriver with minimal changes.

Moonriver

NEAR Protocol is a layer-one blockchain that was designed as a community-run cloud computing platform and that eliminates some of the limitations that have been bogging competing blockchains, such as low transaction speeds, low throughput and poor interoperability. This provides the ideal environment for DApps and creates a developer and user-friendly platform. For instance, NEAR uses human-readable account names, unlike the cryptographic wallet addresses common to Ethereum. NEAR also introduces unique solutions to scaling problems and has its own consensus mechanism called “Doomslug.”

NEAR Protocol is being built by the NEAR Collective, its community that is updating the initial code and releasing updates to the ecosystem. Its declared goal is to build a platform that is “secure enough to manage high value assets like money or identity and performant enough to make them useful for everyday people.”

Flux, a protocol that allows developers to create markets based on assets, commodities, real-world events, and Mintbase, an NFT minting platform are examples of projects being built on NEAR Protocol.

NEAR Protocol

Immutable positions itself as the first layer-two scaling solution for NFTs on Ethereum. According to Immutable, its blockchain does away with Ethereum’s limitations like low scalability, a poor user experience, illiquidity, and a slow developer experience. Instead, users benefit from instant trading and massive scalability while enjoying zero gas fees for minting and trading NFTs without compromising user or asset security.

Thanks to this technology, users will be able to create and distribute assets like ERC-20 and ERC-721 tokens on a massive scale. Chris Clay, the game Director of Gods Unchained, a project already building on Immutable, stated that Immutable allows Gods Unchained to implement a new meta-system that was previously impossible. In this fashion, Immutable aims to create a world-class experience for users and developers alike.

Immutable

Celo is a carbon-negative, permissionless, blockchain with a rich ecosystem of global partners building innovative Web3 dapps to support a more inclusive financial system. Accessible to anyone with a mobile phone, the Celo ecosystem consists of a decentralized, proof-of-stake blockchain technology stack (the Celo platform), CELO governance asset, and several Mento stable assets (cUSD, cEUR, cREAL) that allow for real-world users to use digital assets. The open source Celo mainnet launched on Earth Day 2020.  The Celo community passed an indicative on-chain governance proposal (temperature check) to have Celo migrate to an Ethereum layer-2.  Google Cloud, Deutsche Telekom, Telefonica, and many others run validators on the Celo Platform.  Today, the Platform supports 1,000+ projects in over 150 countries are building on Celo to, helping to create the conditions of prosperity for all.  For more information, please visit Celo.org.

Celo

Oasis is the pioneering layer 1 blockchain designed to enable scalability and confidential compute. Oasis is home to Sapphire, the first confidential EVM that empowers Web3 and Decentralized AI developers to build dApps with Smart Privacy natively on Oasis or other EVM-based chains.

ROSE is the native token of the Oasis Network used for gas fees, staking, delegation and governance. With a unique layered architecture, Oasis presents the optimal building and execution environment for DeFi, AI, GameFi, NFTs, the metaverse, data tokenization and DAO governance. Oasis also has native support for rollups at the consensus layer.

Oasis

Flow is a layer one blockchain designed from the ground up for consumer apps and the digital assets that power them. The network runs on a Proof of Stake consensus mechanism with a unique "multi-role" architecture that solves the blockchain trilemma, balancing scalability, efficiency, and cost.

FLOW ($FLOW) is the native utility token that is used for:

Fees for processing transactions and storing data.

Buying, selling, and trading assets on Flow

Staking and delegating to secure the network

Flow tools include:

Cadence, a purpose-built smart contract programming language designed for consumer-grade applications

Full EVM equivalence, allowing anything from Ethereum to work on Flow

Protocol-level account abstraction and mobile support for onboarding new users

Cross-chain interoperability with the wider web3 ecosystem

Developer hub with comprehensive documentation and tools

Flow

Smart contracts often struggle to access dependable data, but application programming interfaces (APIs) have been touted as a solution to this problem.

API3’s stated goal is to allow decentralized versions of APIs to be built, managed and monetized at scales. As blockchain technology plays an ever bigger role in the economy — from decentralized finance to supply chain management — the team behind this project says it has never been more important for smart contracts to provide “timely, reliable real-world data.”

The whitepaper for API3 was unveiled in September 2020 and set out the main problem that’s associated with APIs at present: connectivity. At present, there’s no way for smart contracts to establish a direct connection with APIs for the latest data — and this has led to an explosion in the popularity of oracles.

Although this has helped solve the problem to some extent, the industry has since been grappling with the “Blockchain Oracle Problem.” Oracles are a form of middleware that sit in between APIs and smart contracts — increasing costs and centralization. API3 intends to get around this problem by enabling API providers to operate their very own nodes.

API3’s token went live at the start of December following on from a token sale that generated tens of millions of dollars.

API3

Self-described as "Polkadot's wild cousin," Kusama is an experimental blockchain platform that is designed to provide a massively interoperable and scalable framework for developers.

Kusama is built on Substrate — a blockchain building kit developed by Parity Technologies. Kusama has almost the same codebase as Polkadot — one of the most successful interoperable blockchains.

By deploying on Kusama, fast-paced projects gain access to a highly scalable, interoperable sharded network, with features that are not yet available on Polkadot. To that end, Kusama describes itself as a “canary network.”

The platform is designed to provide a testbed for developers looking to innovate and deploy their own blockchain and can be used as a preparatory network before launching on Polkadot — though many projects opt to stick with Kusama for their final product.

Kusama benefits from a low barrier to entry for deploying parachains, low bond requirements for validators, and is most commonly used by early-stage startups and for experimentation.

Kusama

Stargate Finance (STG) is an omnichain-native asset bridge designed to solve the blockchain trilemma, which says that no blockchain can be decentralized, secure, and fast simultaneously. It does this by simplifying cross-chain DeFi transactions, which lets users transfer and swap their assets between different blockchains, layer-2 networks, and decentralized applications (dApps) almost instantly.

Stargate users can also move their assets between different liquidity pools on various decentralized finance (DeFi) protocols and dApps. The protocol supports transfers between eight chains: Ethereum, Avalanche, Polygon, Metis, BNB Chain, Arbitrum, Optimism and Fantom.

The platform offers several other, profit-making features: users can supply liquidity pools, stake assets, and farm tokens. When users stake their assets, they can help govern the Stargate Finance Exchange.

Stargate Finance

Biconomy is a multichain relayer protocol that aims to improve the user onboarding and transaction experience on decentralized applications (DApps). The project’s declared goal is to make web3 products as intuitive and easy to use as web2 products. Biconomy offers an infrastructure to solve several web3 bottlenecks:

Protocols can onboard users without paying gas fees.

Users can pay gas in an ERC-20 token of their choice.

Users avoid blockchain complexities like a change of network.

Transactions are confirmed much faster.

In short, Biconomy focuses on transaction management and gas optimization and can reduce gas costs by up to 40%. To achieve that, the protocol utilizes meta transactions, allowing users to submit a transaction with zero gas and having a third party pay for the transaction fees for the user. By providing a non-custodial and gas-efficient relayer infrastructure network, Biconomy is able to do this at scale.

Biconomy

Launched on mainnet on March 30, 2021, Casper is the first live proof-of-stake (PoS) blockchain built off the Casper CBC specification. The Casper platform is designed to boost the adoption of blockchain technology, smart contracts, and DApps on a global scale.

With its future-proof architecture, Casper is designed to ensure the platform is continually developed according to the evolving needs of its users, and that it’s maximally accessible to developers of all backgrounds. As per the official whitepaper, Casper is optimized to suit both enterprise and developer needs. Casper’s mission is to usher in a new era for Web3, as demand for intuitive, interconnected services continues to grow across the board. Casper does so by solving the adoption trilemma: offering enterprise-grade security, scalability and decentralization all within the same blockchain protocol.

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