Software or hardware that holds keys and builds transactions. It does not store coins. The chain does.

A major 2024 exchange breach that froze a large share of user assets and highlighted multisig and custody design risk.

The need for a proof-of-stake node joining or returning after a long absence to obtain a sufficiently recent trusted checkpoint before validating forward.

A shorthand history: static pages, then platform silos, then crypto-enabled ownership narratives.

A marketing and technical label for internet apps that use wallets, tokens, and user-owned state.

A security researcher who reports or sometimes rescues funds under safe-harbor norms.

The founding technical or economic document for a protocol. Read incentives and trust assumptions, not just vision slides.