A permanent, backward-incompatible change to a blockchain's rules that creates a split.
A permanent, backward-incompatible change to a blockchain's rules that creates a split. Nodes that don't upgrade end up on a separate chain. Ethereum Classic was born from a hard fork after the DAO hack, and Bitcoin Cash split from Bitcoin over a block size disagreement.
A change to a blockchain's protocol that creates a new version.
A set of rules governing how a network or application operates.
The method a blockchain uses to agree on which transactions are valid and in what order.
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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