Blockchain is the technology underpinning all cryptocurrencies, and many related products like non-fungible tokens (NFTs). In essence, it is a virtual spreadsheet on which all the buying and selling of crypto is recorded. They are arranged in blocks linked together in a giant chain - hence the name.

Bitcoin was shooting higher on Monday as the House of Representatives prepared to tackle three crypto-related pieces of legislation that would cement Washington’s backing for privately-issued digital currency.