Blockchain is one of the most significant new technologies since the internet. It has ushered in what has been referred to as Web3.0. Some of the most popular applications of this technology include NFTs and metaverses.

At its core, a blockchain is a distributed ledger for recording transaction data. Transactions get verified by a consensus mechanism specified by the blockchain protocol. Validated transaction data is written to a “block” and time-stamped. When the block is filled, a new block is created and the system creates a cryptographic hash value of the bock. This hash value is written as an entry in the new block, thereby “chaining” the blocks, hence the term “blockchain.”...