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View ChartCardano is a third-generation proof-of-stake blockchain platform for running dApps, smart contracts, and digital assets, with an emphasis on scalability, security, and sustainability. The platform can handle various transactions using a dedicated cryptocurrency called ADA.
Cardano was initially released on 27 September 2017 (the blockchain went live on 23 September 2017). When launched in 2017, Cardano was the largest cryptocurrency to use a proof-of-stake blockchain.
Cardano is a blockchain, and ADA is the coin supporting the Cardano network. This is similar in some ways to Ethereum and its blockchain. Think of Bitcoin as cryptocurrency 1.0: it is essentially digital gold, but the system is plagued by scalability problems. Then Ethereum is commonly known as cryptocurrency 2.0.
Cardano is described as a third-generation proof-of-stake blockchain project that is decentralized and can execute smart contracts. Charles Hoskinson founded Cardano; he is also the co-founder of Ethereum. In 2014, Hoskinson left Ethereum after a dispute with co-founder Vitalik Buterin — Hoskinson wanted to accept venture capital and create a company, while Buterin wanted to keep it a nonprofit organization. Hoskinson continued to launch Cardano as a more scalable, interoperable, and sustainable blockchain, planning to improve on the basis of Bitcoin and Ethereum.
Cardano claims to overcome problems in earlier cryptocurrencies — that Bitcoin is too slow and inflexible and that Ethereum is not safe or scalable — by offering scalability, security and decentralization at once.
“Known as the ‘Ethereum killer’ by supporters, Cardano is maintained by three entities — the Cardano Foundation, IOHK (Input Output Global, IOG), and EMURGO, which participate in resource development and peer review through a formal development model,” said Henrik Gebbing, co-CEO and co-founder of digital asset custodian Finoa.
One of the main criticisms of Bitcoin and other popular cryptocurrencies is that their blockchain networks, based on the proof-of-work consensus mechanism, waste a lot of energy. Cardano uses the proof-of-stake consensus mechanism to provide a more sustainable and scalable blockchain.
Cardano was financed in 2017 by an ICO that raised $62M. In May 2021, Cardano reached a market cap of $77 billion, the fourth highest for a cryptocurrency at that time. On September 12, 2021, the Cardano 'Alonzo' hard fork officially launched, bringing smart contract functionality to the blockchain; over 100 smart contracts were deployed in the following 24 hours.
ADA is the cryptocurrency of the Cardano platform. The platform is named after Italian mathematician Gerolamo Cardano, while the cryptocurrency is named after Ada Lovelace, a 19th-century mathematician known as the first computer programmer. People use ADA tokens to pay for transactions using the platform. ADA holders can delegate their ada to a stake pool to earn rewards; delegating never moves the ada out of the wallet, there is no lock-up period, no minimum amount, and no slashing.
Total supply is 44.99B ADA (CoinMarketCap), with a supply limit / max supply of 45B ADA and a circulating supply of 36.79B ADA (about 81.77% of max supply).
In blockchain networks, there needs to be a way to verify transactions to ensure that people don’t spend the same token twice. In view of decentralization, there is no central institution like a bank to handle this work.
Based on the proof-of-work consensus mechanism, Bitcoin and Ethereum 1.0 miners run computers to solve complex mathematical equations, add new data blocks to the blockchain, and receive cryptocurrency for their work. This is time-consuming and consumes a lot of electricity.
Cardano uses a proof-of-stake protocol named Ouroboros, in which time is divided into slots of roughly 20 seconds, with epochs lasting approximately 5 days. Daniel Hill, President of Hill Wealth Strategy, said: “The Cardano agreement is designed to minimize energy consumption during block production.”
You can use ADA like other cryptocurrencies. You can hold it as an investment and use it to buy and exchange. You can also use your ADA to pay for transactions on the Cardano network and stake to earn more tokens. If you want to hold Cardano for a long time, pay attention to the wallet you use.
“The two official Cardano wallets are Daedalus wallet (full node) and Yoroi wallet (light node). Both wallets allow users to earn new Cardano by staking their assets and to vote in Project Catalyst, a foundation for granting ADA to Cardano projects,” Gebbing said.
Gebbing also said that developers and institutions can use the Cardano network for projects, even if they do not directly use ADA tokens. “Perhaps most notable is the Atala Prism project, which attempts to distribute digital identities, including verifiable academic performance information, to students across Ethiopia,” he added.
There are also many DeFi and non-fungible token (NFT) schemes in the Cardano ecosystem. Several of these projects include the decentralized exchange SundaeSwap (SUNDAE) and the decentralized lending protocol Meld (MELD), to name a few.
Investing in Cardano and other cryptocurrencies carries significant risks. Prices can be highly volatile, and the value of your holdings may rise or fall sharply. Regulatory policies vary by jurisdiction and may change, potentially affecting how ADA can be used, traded, or held. Technical risks also exist, including smart contract vulnerabilities, network upgrades, and security issues. This information is not investment advice, and you should do your own research before making any decisions.
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Trade| Comparison Feature | Cardano (ADA) | Ethereum (ETH) |
|---|---|---|
| Accounting Model | Extended UTXO (EUTXO) model; native support for parallel processing and predictable fees | Account-based model; sequential transaction execution and highly volatile Gas fees |
| Consensus Mechanism | Ouroboros PoS (Native staking without lockups or slashing risks) | Gasper PoS (Staking requires locked funds with slashing penalties for protocol violations) |
| Programming Language | Haskell / Plutus (Functional programming model ensuring high code security) | Solidity (Object-oriented programming language with a massive developer ecosystem) |
| Governance Model | On-chain decentralized governance in the Voltaire era (Catalyst treasury fund) | Off-chain community discussions and governance via EIP proposals |
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