An exchange whose trading execution or settlement relies on blockchain protocols.
A DEX website helps you prepare a swap, and your wallet shows the contract transaction that will settle it onchain.
Decentralized finance: financial applications that use blockchain protocols and smart contracts.
You connect a wallet to a lending app, then check its collateral rules and contract permissions before making a deposit.
An EVM call that runs another contract’s code using the calling contract’s storage and context.
A proxy delegates a withdrawal to its implementation, and that code reads the balance stored at the proxy address.
A significant move away from an asset's intended reference price, such as a stablecoin's dollar target.
A sequence of indexes that identifies a key within a hierarchical wallet's key tree.
"The recovery words match, but this app is checking a different account path."
Cryptographic evidence that a message was authorized by the key corresponding to a verifying public key.
"Here's the signed transfer." The node verifies authorization by the required key before accepting the transaction.
An attempt to spend the same digital funds in two conflicting payments.
Someone broadcasts two Bitcoin transactions using the same UTXO. The accepted chain can include one of those spends, but not both.
Elliptic Curve Digital Signature Algorithm: a public-key method for creating and verifying digital signatures.
Your Ethereum transaction carries an ECDSA signature that nodes can verify without receiving the private key from your wallet.
An Ethereum Improvement Proposal: a document describing a proposed technical change or standard.
“This uses a new EIP” sends you to the proposal’s status and specification, not straight to assuming every wallet already supports it.
The Ethereum upgrade that introduced a dynamic execution base fee and revised transaction fee settings.
A wallet shows “max fee” and “priority fee” instead of asking you to choose a single legacy gas price.