Popular DApps

Now that we have some high-level knowledge about what DApps are and how they are different from centralized apps, let's explore some of the popular and useful DApps. While exploring these DApps, we will explore them at a level that is enough to understand how they work and tackle various issues instead of diving too deep.

Bitcoin

Bitcoin is a decentralized currency. Bitcoin is the most popular DApp and its success is what showed how powerful DApps can be and encouraged people to build other DApps.

Before we get into further details about how Bitcoin works and why people and the government consider it to be a currency, we need to learn what ledgers and blockchains are.

What is a ledger?

A ledger is basically a list of transactions. A database is different from a ledger. In a ledger, we can only append new transactions, whereas in a database, we can append, modify, and delete transactions. A database can be used to implement a ledger.

What is blockchain?

A blockchain is a data structure...