Blockchain

Etherscan is like a search engine for all things Ethereum. It lets you explore the Ethereum blockchain, giving you access to real-time data.

Smart contracts are self-executing, tamper-proof digital contracts that run on blockchain technology, with the terms of the agreement directly written into code.

Track transactions, verify wallet balances, and explore blocks. This beginner’s guide shows you exactly how to use any blockchain explorer.

Double-spending is the act of spending the same cryptocurrency more than once. Think of it like having a digital dollar and being able to use it to buy a virtual coffee and then, in a sneaky move, use that same dollar to purchase a virtual sandwich at the same time.

The circulating supply refers to the number of coins or tokens of a particular cryptocurrency currently available to the public and actively in circulation.

Here is why Bitcoin transaction fees are increasing and how to reduce your trading, buying and selling transaction costs.

Will the Shanghai upgrade push ETH’s price up or down? Learn how this Ethereum update affects price, market trends and investor sentiment.

Hackers can send crypto dust to several crypto wallets, a "dusting attack." After sending tiny amounts of crypto to multiple addresses, they try to track them to uncover the wallet owners' identities for hacking purposes.