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Learn · Glossary

Security glossary.

Short, plain-language definitions. Each term opens onto the patterns, cases, and tools that make it concrete.

Who is allowed to invoke a privileged action.

AUM (Assets Under Management)

The net worth a pool uses to price its LP token.

Checks-Effects-Interactions

Validate, update state, then call out — in that order.

Run another contract's code in your own storage context.

EOA (Externally Owned Account)

An account controlled by a private key, not contract code.

Fixed-Point Math

Integer arithmetic scaled to represent fractional values.

Uncollateralized borrowing repaid in the same transaction.

Oracle Manipulation

Forcing a protocol to read a false price.

The privileged controller for upgradeable proxy implementations.

Re-entering a function before its state is finalized.

Reentrancy Guard

A lock that blocks nested entry into protected functions.

Trusted Forwarder

A meta-transaction relay that appends or proves the original sender.

The original EOA that started the transaction.