A mechanism used by optimistic rollups to verify transactions. If someone suspects a transaction is invalid, they can submit a fraud proof during a challenge period (usually 7 days) to prove it. If the fraud proof succeeds, the invalid transaction is reverted and the dishonest party loses their bond.
A Layer 2 scaling solution that assumes all transactions are valid and only runs computation if someone challenges a transaction.
A Layer 2 scaling solution that bundles many transactions together before posting them to the main chain.
A secondary network built on top of a Layer 1 to improve scalability.
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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