Comprendre les blockchains

Events and transaction logs

Contracts emit indexed logs consumed by wallets and explorers.

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Contracts emit indexed logs consumed by wallets and explorers.

Logs describe execution but do not enforce state or guarantee truthful labels.

Verify storage and transfers alongside events.

Comprendre les blockchains

Signing, broadcasting, inclusion and finality are distinct events.

Comprendre les blockchains

Code executes, but balances, permissions and configuration survive in the contract's storage.

Comprendre les blockchains

The units consumed and the price paid per unit explain different parts of an execution fee.

Comprendre les blockchains

A transaction reference is a hash of a defined serialisation, so the exact fields included matter.