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.

Bitcoin Public Key Signature System Explained

Bitcoin’s public key signature system uses private keys to sign and public keys to verify. Learn the workflow, risks, and practical safety checks.

What Does a Bitcoin Private Key Look Like?

A bitcoin private key usually appears as a long string of characters or is hidden behind seed words. The real issue is control, storage, and irreversible

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.

Where to Sell Items for Bitcoins: Best Channel Types

You can sell items for bitcoin through local meetups, community listings, escrow-style markets, or your own store. The right choice depends on risk and item

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.

Is IREN a Bitcoin Miner? What That Actually Means

IREN is generally treated as a bitcoin mining company if it runs mining hardware and competes for blocks. The key test is operational, not branding.

Is Bitcoin Mining Legal in Iran? What to Check First

Is bitcoin mining legal in Iran? It can depend on permits, power use, and equipment rules, so legality is more than a simple yes or no.