Distributed ledger technology has evolved far beyond its early use case as the foundation of Bitcoin. At this stage, decentralized technology is being applied across many fields to solve genuine problems.

In essence, a distributed ledger is a distributed record system that maintains a ever-expanding record of records, known as block entries. Each block includes a digital fingerprint of the previous block, forming an tamper-proof history.

Smart contracts constitute one of the most significant use cases of Web3. Such automatically executing agreements automatically enforce the terms of an contract when specific triggers are fulfilled.

Financial services remains one of the first adopters of blockchain technology. Decentralized finance protocols allow direct trading without centralized middlemen.

Despite its promise, blockchain faces real challenges. Processing capacity, power usage, and regulatory uncertainty persist as significant issues that need to be solved before mainstream acceptance can occur.