Eric Hughes's 1993 statement advocating privacy through cryptography, anonymous transactions, and the development of practical software.

A leading overcollateralized lending protocol with isolation modes, flash loans, and many-chain deployments.

A version of Aave's lending protocol with configurable collateral and borrowing controls, including efficiency and isolation features.

An Application Binary Interface describes how software encodes contract calls and decodes results, events, and errors.

Making account authorization and behavior programmable, enabling features such as alternative authentication, recovery policies, batching, and sponsored execution.

A ledger design that stores a balance and nonce per address, used by Ethereum and many smart-contract chains.

A U.S. wealth or income test that gates many private crypto and RWA offerings.

U.S. Automated Clearing House batch payments, cheaper and slower than wires.

The risk that the other side only hits your quote when they know more than you.

A signing device that never touches the internet, used with QR or SD transaction flows.

The trading firm affiliated with FTX, at the center of the 2022 collapse.

A pure proof-of-stake chain known for instant finality and institutional tokenization experiments.

Addresses permitted to mint or trade early. Also a phishing lure word in fake mint sites.

Anti-money-laundering controls: monitoring, reporting, and blocking illicit flows.

A federally chartered U.S. crypto bank and custodian.

A venture firm whose crypto funds back many Layer 1s, DeFi protocols, and consumer apps.

A personal code shown in legitimate exchange emails so fakes are easier to spot.

Annual percentage rate. Simple yearly return without compounding.

Annual percentage yield. Yearly return assuming rewards are compounded.

Buying and selling the same risk in two venues to lock a price gap, which helps markets stay aligned.

An Ethereum scaling ecosystem whose Nitro software powers optimistic rollups, including Arbitrum One, with transaction execution off Ethereum and dispute resolution on the parent chain.

Cathie Wood's firm, partner on ARKB, a spot Bitcoin ETF.

Key pairs where the public key verifies what only the private key can sign or decrypt.

Both legs of an exchange succeed or fail together, reducing Herstatt risk.

An Alternative Trading System, a U.S. SEC-registered venue that can match securities without being a full national exchange.

A time-boxed review of contract code. It reduces risk. It does not eliminate it.

A pool formula that prices trades from balances instead of a human order book. Constant-product is the classic form.

A proof-of-stake platform with multiple subnets and an EVM-compatible C-Chain.

Play-to-earn game whose scholarship economy boomed then busted; its Ronin bridge was later hacked.