Bitcoin Academy

Bitcoin Academy

What Is a Bitcoin Wallet’s Change Address?

A change address automatically receives the leftover portion of a transaction after the intended payment and fee are…

Bitcoin Academy

What Is a Time-Locked Transaction in Bitcoin?

A time-locked transaction cannot be confirmed by the network until a specified future block height or timestamp is…

Bitcoin Academy

How Do Inheritance Plans Work for Bitcoin Holdings?

Bitcoin held in self-custody has no automatic inheritance mechanism, meaning access after death depends entirely on a deliberate…

Bitcoin Academy

What Is a Fake Hardware Wallet Scam?

Fake hardware wallet scams involve tampered or pre-configured devices, often sold through unofficial channels, designed to compromise funds…

Bitcoin Academy

What Is a Malicious Clipboard Hijacker? A Silent Crypto Threat

A clipboard hijacker is malware that silently swaps a copied Bitcoin address for an attacker's address the instant…

Bitcoin Academy

What Is a Bitcoin Dust Attack? How It Threatens Your Privacy

A dust attack sends tiny unsolicited amounts of Bitcoin to many addresses, aiming to track how that dust…

Bitcoin Academy

What Is Coin Control in a Bitcoin Wallet?

Coin control lets users manually select which specific unspent outputs fund a transaction, rather than letting the wallet…

Bitcoin Academy

What Is an Extended Public Key (xpub) and Why Does It Matter?

An extended public key can generate an entire wallet's worth of addresses without ever exposing private key information,…

Bitcoin Academy

What Is a Bitcoin Wallet Recovery Seed Standard (BIP39)?

BIP39 is the technical standard defining how a seed phrase is generated and converted into private keys, which…

Bitcoin Academy

What Is Shamir’s Secret Sharing? Splitting Your Seed Phrase

Shamir's Secret Sharing splits a seed phrase into multiple shares where a set threshold must be combined to…