Distributed ledger technology has evolved significantly beyond its early application as the backbone of digital currency. Today, distributed ledger is finding use across many fields to fix practical challenges.

At its core, a blockchain is a distributed record system that records a perpetually extending list of entries, called blocks. Each block includes a cryptographic hash of the prior record, creating an immutable sequence.

Smart contracts are one of the most transformative use cases of distributed ledgers. These self-executing agreements instantly enforce the terms of an deal when predefined requirements are fulfilled.

Financial services is one of the most active users of distributed ledgers. DeFi applications allow direct lending without traditional middlemen.

Despite its promise, Web3 faces meaningful hurdles. Processing capacity, energy consumption, and compliance complexity remain significant concerns that must be resolved before widespread use to happen.