Bit.Fan Crypto Academy

Learn Crypto with Bit.Fan Academy

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

on-chain

How to Pay Bitcoin With PayPal Safely

To pay bitcoin with PayPal, first identify the payment path: buying BTC with PayPal or checking out with BTC. The steps and risks are different.

How to Pay Bitcoin With PayPal Safely

How Old Is Bitcoin? The Timeline That Matters

Bitcoin dates back to 2009 if you count the live network, or 2008 if you count the white paper. The answer depends on where you start the clock.

How Old Is Bitcoin? The Timeline That Matters

How Much Bitcoin Is There in the World?

Bitcoin has a hard cap of 21 million coins, but the amount people can actually use is lower because supply is released over time and some coins are lost.

How Much Bitcoin Is There in the World?

How Many Bitcoins Were Sold? What to Check First

There is no single answer to “how many bitcoins sold.” First separate trading volume, circulating supply, and your own sale records.

How Many Bitcoins Were Sold? What to Check First

How Much Bitcoin Is Lost? What We Can Actually Know

How much bitcoin is lost? No one can know the exact amount because the blockchain shows inactivity, not whether private keys still exist.

How Much Bitcoin Is Lost? What We Can Actually Know

How Do You Lose Bitcoins? The Main Ways It Happens

You usually lose bitcoins by losing control of keys, exposing recovery words, sending funds incorrectly, or trusting unsafe devices or custodians.

How Do You Lose Bitcoins? The Main Ways It Happens

How to Join Bitcoin: A Beginner's Start Guide

To join Bitcoin, you do not sign up for Bitcoin itself. You learn the basics, pick a safe entry point, buy carefully, and secure your wallet.

How to Join Bitcoin: A Beginner's Start Guide

How to Invest in Bitcoin With a Roth IRA in the US (2026 Guide): Real Rules, Platforms, and Fees

To invest in bitcoin with a Roth IRA, first verify account rules, custody, fees, withdrawal limits, and scam risks before choosing any exposure.

How to Invest in Bitcoin With a Roth IRA in the US (2026 Guide): Real Rules, Platforms, and Fees