The very first block in a blockchain, also called Block 0. Bitcoin's genesis block was mined on January 3, 2009, and included a newspaper headline about bank bailouts. Genesis blocks are hardcoded and have no predecessor.
A bundle of transactions that gets permanently added to the blockchain.
A distributed database where transactions are grouped into blocks and linked together cryptographically.
The first cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto.
Application Binary Interface.
A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.
The Ethereum standard for account abstraction without changing the core protocol.
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