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Why Bitcoin Block Explorers Can Disagree About an Unconfirmed Transaction
Local mempools, relay rules and changing observations explain conflicting explorer results. A careful check starts with the transaction ID and protects your privacy.
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Understand Bitcoin
Start with the foundations. Build toward the questions that matter to you.
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Counting Bitcoin Supply from Issuance to Lost Coins
The subsidy schedule, the unspent output set and estimates of accessible coins answer different questions. A useful supply figure states which one it measures.
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Bitcoin Test Networks and Safer Wallet Rehearsals
Mainnet, testnet4, signet and regtest can look familiar inside a wallet. Their different ledgers and testing assumptions make careful separation essential.
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Understanding Bitcoin UTXOs and Coin Control
A wallet balance is built from separate outputs. How those outputs are selected and combined shapes spending costs and privacy.
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A pruned Bitcoin node still validates the chain. Here is what it gives up.
Pruning cuts the historical blocks stored on your computer, while leaving important download, recovery and application requirements to plan for.
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