Learn Crypto with Bit.Fan Academy

From beginner to advanced — master exchanges, wallets and blockchain essentials

beginners

Have All 21 Million Bitcoins Been Mined?

No. All 21 million bitcoins have not been mined yet. This guide explains how new BTC enters circulation, who can mine, and what costs matter.

2026-08-03

Have All 21 Million Bitcoins Been Mined?

What Is a Blockchain Explorer, and How Do You Use It?

A blockchain explorer is a tool that gives you a window into a blockchain’s activity. From tracking transactions to viewing blocks, wallet addresses, and network metrics, blockchain explorers make blockchain networks transparent and accessible. These explorers let you see exactly what’s happening on the blockchain — down to the second a transaction is confirmed.

2026-07-06

What Is a Blockchain Explorer, and How Do You Use It?

How Many Bits Are in a Bitcoin?

How many bits are in a bitcoin? It depends on what “bits” means: a computing bit has no fixed conversion, while 1 BTC = 1,000,000 bits.

What Is a Bit of Bitcoin? A Simple Guide

“A bit of bitcoin” usually means a small amount of BTC. The key is understanding satoshis, minimum purchase rules, and transfer costs.

What Is ZBD Bitcoin? A Simple Beginner Guide

ZBD Bitcoin usually means Bitcoin used inside ZBD services. The underlying asset is still BTC, not a separate new coin.

What Is Wrapped Bitcoin (WBTC)?

Wrapped Bitcoin (WBTC) is a token tied to Bitcoin’s value so BTC can be used on other blockchains, but it is not native Bitcoin.

What Is a Bitcoin Whale?

A bitcoin whale is a person, institution, or address holding enough BTC that its moves can sway market sentiment or liquidity expectations.

XRP vs Bitcoin: What’s the Difference?

XRP and Bitcoin are both cryptocurrencies, but they serve different roles, follow different supply rules, and are judged in different ways.