Account abstraction
An approach that makes blockchain account authorization and transaction handling programmable rather than limiting every account to one fixed signing workflow.
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Blockchain & networks
Understand distributed ledgers, network participants and how transactions become part of a shared history.
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13 terms
Bitcoin
A peer-to-peer payment network and its native digital asset, bitcoin (BTC), with transactions recorded on a proof-of-work blockchain.
Also known as BTC
Blockchain
A ledger structure that groups records into blocks linked to earlier blocks, allowing a network to maintain and verify an ordered history.
ERC-4337
An Ethereum ecosystem standard for account abstraction that processes UserOperations through an EntryPoint contract and a bundler workflow.
Ethereum
A programmable blockchain network that executes smart contracts and uses ether (ETH) as its native asset for transaction fees and proof-of-stake security.
Gas fee
A fee for the computational resources used by a transaction on a network that measures execution work in gas.
Also known as gas fees
Layer 2
A scaling system built above a base blockchain that derives specified security guarantees from that base layer while handling some activity separately.
Also known as L2
Lightning Network
A network of payment channels that supports off-chain bitcoin payments, with channel funding and closure connected to the Bitcoin blockchain.
Also known as Lightning
Paymaster
In ERC-4337, a contract that can participate in paying a UserOperation’s gas costs under its own validation and charging policy.
Also known as paymasters
Rollup
A blockchain scaling design that executes transactions outside a base layer and submits the information required by its settlement and verification mechanism to that layer.
Also known as rollups
Smart contract
A program deployed to a blockchain that applies its code and state-transition rules when invoked under that network’s execution model.
Also known as smart contracts
Solana
A blockchain network that processes transactions containing instructions to on-chain programs and uses SOL as its native asset.
Transaction finality
The assurance, under a blockchain’s consensus rules and security assumptions, that an accepted transaction will remain in its recorded history.
Also known as finality