Blockchain

Blockchain operability, or blockchain interoperability, is the ability of different blockchain networks to work together and share information seamlessly. Without operability, these blockchains operate in isolation and cannot communicate or exchange data directly.

A smart contract audit is a thorough review of the code used to create a smart contract, ensuring it works correctly and is secure from vulnerabilities.

BRC-20 (Bitcoin Request for Comment) is a token standard on the Bitcoin blockchain that allows developers to create and manage cryptocurrencies.

Blockchain projects like MediLedger, Provenance, BitGive, Citizen Warrior, and UNICEF CryptoFund are creating positive change.

ERC20 stands for Ethereum Request for Comments 20. It's a standard protocol used for creating and implementing smart contracts on the Ethereum blockchain.