Fundamentos de blockchain

Light-client verification

A light client checks compact consensus evidence rather than one remote balance.

Reference note · Sources below

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Overview

A light client checks compact consensus evidence rather than one remote balance.

Security depends on the verified header chain and consensus assumptions.

Verify checkpoints and update rules.

Tipos de fraude

A form claims recovery words must be validated, synchronised or upgraded.

História cripto

In February 2022 an attacker bypassed Wormhole verification and minted unbacked wrapped ETH on Solana.

Fundamentos de blockchain

Signing, broadcasting, inclusion and finality are distinct events.

Fundamentos de blockchain

Inputs consume earlier outputs; new outputs define who can spend the resulting amounts.