Glossary

This page details the terminologies commonly used in the documentation.

BBS+ Signatures

A digital signature scheme that supports selective disclosure, allowing only portions of the signed data to be revealed while maintaining cryptographic proof of authenticity.
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Bitstring Status List

A method to track the status of credentials (e.g., revocation) using a bitstring, where each bit represents the current status of a credential in a list.
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ChaCha20

A stream cipher used for encryption, known for its speed and security in software implementations. It is commonly paired with Poly1305 for message authentication.
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Decentralized Identity

A digital identity model that allows individuals to control and manage their own identity without relying on centralized authorities, typically using distributed ledger technology like blockchains.
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DID (Decentralized Identifiers)

A new type of identifier designed to enable verifiable, self-sovereign digital identity on decentralized networks, independent of central authorities.
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Document Store

A smart contract on the Ethereum network that records the issuance, revocation, and transfer status of TradeTrust Verifiable Documents. It enables the management of document validity and ownership transfers.
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Ether

The native cryptocurrency of the Ethereum blockchain, used to power transactions and interact with smart contracts.
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Sign

The process of generating a digital signature using a private key and a signing algorithm to authenticate a document or transaction.

Signature

A digital cryptographic value generated during the signing process, used to verify the authenticity of a document or transaction.

Smart Contract

A self-executing contract where the terms of the agreement are written into code, and execution is automatically triggered on a blockchain.
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Title Escrow

A smart contract on Ethereum used to store and manage the ownership and holdership of transferable records, including wallet addresses for owners and holders.
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Token Registry

A blockchain-based registry used to manage and verify tokens or credentials in a decentralized, cryptographically secure way.
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Verifiable Credentials (VC)

Digital credentials that follow the W3C Verifiable Credentials Data Model, enabling statements about a subject to be expressed in a verifiable and cryptographically secure manner.
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W3C VC Data Model v1.1

The W3C standard for Verifiable Credentials, detailing the structure, semantics, and verification mechanisms for VCs.
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Wallet

A software application that stores and manages Ethereum-based assets and credentials, enabling secure interactions with blockchain networks.
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