It is a third generation blockchain with a multi-tier structure. It has a complex architecture that can be billed and accounted for. The currency of the platform takes its name from the first computer programmer ada lovelace. I think it is another promising crypto technology. I first put Cardano in my wallet in 2017. I still continue to invest.
Shelley testnet started phase 2 in October 2019. The Cardanos obtained from staking by those who joined the Testnet and delegated their Cardano to staking pools throughout the testnet or who set up their own pool, were transferred to the mainnet at the end of the testnet. In other words, Cardano owners who participated in this testnet earned interest on deposit.
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