Joni
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Bitcoin and Blockchain Technology Bitcoin operates on a technology called blockchain, a public, immutable ledger that records all transactions and ensures transparency and security.
Created by Vitalik Buterin: Vitalik, a Russian-Canadian programmer, proposed Ethereum in late 2013
Energy-efficient: Solana claims to be one of the most eco-friendly blockchains, using less energy per transaction than a Google search.
Privacy coins exist: Coins like Monero and Zcash focus on user anonymity, though they face regulatory scrutiny.