coin-detail-page::What Is a Crypto Faucet?

coin-detail-page::What Are Privacy Coins?

coin-detail-page::What Is Tokenomics?

coin-detail-page::What Is Wrapped Bitcoin?

coin-detail-page::How to Mint an NFT

coin-detail-page::What Is MetaMask?

coin-detail-page::What Is Polygon?

## What Is Kadena (KDA)?

[Kadena](https://coinmarketcap.com/currencies/kadena/) is a [proof-of-work](https://coinmarketcap.com/alexandria/glossary/proof-of-work-pow) blockchain that combines the PoW [consensus mechanism](https://coinmarketcap.com/alexandria/glossary/consensus-mechanism) from [Bitcoin](https://coinmarketcap.com/currencies/bitcoin/) with directed acyclic graph ([DAG](https://coinmarketcap.com/alexandria/glossary/directed-acyclic-graph-dag)) principles to offer a scalable version of Bitcoin. Kadena claims it can provide the security of Bitcoin while being able to offer unparalleled [throughput](https://coinmarketcap.com/alexandria/glossary/throughput) that makes the blockchain usable to enterprises and entrepreneurs alike. Kadena's unique infrastructure is decentralized and built for mass adoption because of its multi-chain approach. 

Kadena promises industrial scalability that can support global financial systems and can be scaled as necessary. It also vows to remain energy-efficient at scale and deliver more transactions with the same energy input, another difference to Bitcoin. Moreover, Kadena offers crypto gas stations, which allow businesses to pay for their customers' gas fees and remove a massive pain point in adopting blockchains for business. 

Kadena has already scaled its network from 10 to 20 blockchains and can do so again in the future, if necessary. This final addition to Kadena was its private Kuro [layer-two](https://coinmarketcap.com/alexandria/glossary/layer-2) blockchain, which supports up to 8,000 transactions per second across 500 [nodes](https://coinmarketcap.com/alexandria/glossary/node). 


## Who Are the Founders of Kadena?

Kadena was founded in 2016 by Stuart Popejoy and Will Martino. Stuart Popejoy led JPMorgan's Emerging Blockchain group before founding Kadena and has 15 years of experience building trading systems and infrastructure in finance. Will Martino was the Lead Engineer for JPMorgan's blockchain prototype Juno and led the Securities and Exchange Committee's Cryptocurrency Steering Committee and Qualitative Analytics Unit. Another key persona in founding Kadena was Dr. Stuart Haber, who is the co-inventor of blockchain technology and the most cited author in the Bitcoin whitepaper. 

Furthermore, Kadena raised capital from a number of crypto venture capitalists like Multicoin Capital, CoinFund, Amino Capital, and others. 


## What Makes Kadena Unique?

Kadena offers a public proof-of-work blockchain with unparalleled throughput by combining two separate consensus mechanisms: [DAG](https://coinmarketcap.com/alexandria/glossary/directed-acyclic-graph-dag) and [proof-of-work](https://coinmarketcap.com/alexandria/glossary/proof-of-work-pow).

In simple terms, Kadena achieves this by braiding chains together, meaning it offers not one but several (20) separate blockchains that all work simultaneously and asynchronously to validate transactions. This allows Kadena to mint multiple blocks simultaneously, thus increasing its throughput. This also increases security by reducing an attacker's time between block confirmations. 

Kadena uses a directed acyclic graph structure to scale from one proof-of-work blockchain to theoretically an unlimited amount. However, its DAG structure is fixed and multi-channel, meaning Kadena's blockchains only communicate with three peer chains instead of randomly confirming transactions. This improves real-world performance and scalability.

Kadena can scale as required by the needs of its users. However, the main limitation is adoption, as scaling and adding additional blockchains requires the network to undergo a [hard fork](https://coinmarketcap.com/alexandria/glossary/hard-fork-blockchain).  In theory, Kadena can scale to 50 or 100 blockchains or even more if it demonstrates continued adoption. The process is not automatic though: once the network becomes congested, fees rise and miners forming a DAO are incentivised to cooperate in reconfiguring the network to a larger size.


## Related Pages:

Check out [Cardano (ADA)](https://coinmarketcap.com/currencies/cardano/) — a promising layer-one blockchain.

Check out [Polkadot (DOT)](https://coinmarketcap.com/currencies/polkadot-new/) — another highly scalable layer-one blockchain.

Read our [Deep Dive into the Chia Network](https://coinmarketcap.com/alexandria/article/what-is-chia-network-xch-features-tokenomics-and-price-prediction).

Get the latest crypto news and latest trading insights with the [CoinMarketCap blog](https://coinmarketcap.com/alexandria/categories/blog).


## How Many Kadena (KDA) Coins Are There in Circulation?

KDA is the blockchain's native token with a [total supply](https://coinmarketcap.com/alexandria/glossary/total-supply) of 1 billion KDA. It is used to pay for gas and as a miner reward for producing new blocks. Kadena pre-mined several rounds of KDA. The first private token sale was in 2018 and raised $2.25 million for 4.5 million KDA. The second round raised $12.9 million for 17.2 million KDA. The distribution of KDA looks as follows:



* Mining: 700 million to be emitted over 100+ years
* Platform share: 200 million to be emitted over nine years
* Investors, strategic reserve, and contributors: 90 million
* Burned at launch: 10 million

Currently, 171 million KDA are circulating. The token emissions schedule will decrease gradually over time, and the entire Kadena tokenomics model can be found [here](https://medium.com/kadena-io/update-to-the-kadena-token-economic-model-21e1ec18f099).


## How Is the Kadena Network Secured?

Kadena uses a chain architecture called Chainweb to combine its several proof-of-work blockchains. Each chain confirms its three peer chains' blocks, thereby increasing throughput linearly with the addition of new chains. This also increases security as Kadena chains achieve a single view of transaction history across chains. An attacker would have to fork not one chain but all the running chains to attack just one. 

Kadena's [smart contract](https://coinmarketcap.com/alexandria/glossary/smart-contract) language is called Pact and is human-readable and Turing-incomplete language specifically built for blockchains with powerful security features.


## Where Can You Buy Kadena (KDA)?

KDA is available on [Binance](https://coinmarketcap.com/exchanges/binance/), [OKX](https://coinmarketcap.com/exchanges/okx/), [Mandala Exchange](https://coinmarketcap.com/exchanges/mandala/), [KuCoin](https://coinmarketcap.com/exchanges/kucoin/), and [Gate.io](https://coinmarketcap.com/exchanges/gate-io/). 


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