A change to a blockchain's protocol that creates a new version. Soft forks are backward-compatible, while hard forks create a completely separate chain. Bitcoin Cash and Ethereum Classic both came from hard forks.
A distributed database where transactions are grouped into blocks and linked together cryptographically.
A set of rules governing how a network or application operates.
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.
The way Ethereum and many other chains track balances.
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