Learn Crypto with Bit.Fan Academy

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

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What Is Bitcoin Knots and How Is It Different?

Bitcoin Knots is a full node software fork based on Bitcoin Core that offers extra policy options. It is not a separate coin or blockchain.

Where Are Bitcoins Kept? Wallets, Keys, and Storage

Bitcoins are not stored on your phone or USB drive. They exist on the blockchain, while wallets hold the keys that control access.

Bitcoin Jurisdiction Primer: What Actually Governs You

Bitcoin has no single home jurisdiction, but your trading, custody, taxes, and disputes still fall under real-world laws tied to where and how you use it.

Are Bitcoin Transactions Irreversible?

Bitcoin transactions are usually irreversible. Once confirmed on-chain, they cannot be forcibly reversed like a bank transfer or card chargeback.

What Is iShares Bitcoin Trust?

iShares Bitcoin Trust is a security that gives investors bitcoin price exposure through a brokerage account, not direct control of on-chain BTC.

Can You Put a Bitcoin Wallet in Your IRA?

Usually not as your personal wallet. In an IRA, the real issue is custody, private key control, and whether the account structure allows bitcoin at all.

Does Polygon.io Support Bitcoin? What It Actually Means

Polygon.io can support Bitcoin market data, but it is not the same as a Bitcoin wallet or trading venue. The key is knowing what “support” means.

A Look Inside a Bitcoin Server

A bitcoin server is not one central machine. It is a distributed network of nodes that validate transactions, store the chain, and relay blocks.