Wallet Security
A multisignature wallet’s threshold counts signatures, not device brands
A multisignature wallet checks authorised signatures, not hardware brands. Understand the threshold, independent keys and the information needed for recovery.
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Understand the transaction before making a decision.
Blockchain concepts explained with care and context. Explore focused guides, useful examples and questions worth asking.
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Bitcoin Basics
Bitcoin timelocks put a condition on when a spend can become valid
Bitcoin timelocks restrict when a spending transaction can become valid. They do not schedule a guaranteed payment at an exact wall-clock time.
Bitcoin Basics
A transaction in a mempool is still waiting for inclusion in a block
A Bitcoin mempool contains transactions a node has accepted but not yet seen in a block. Read pending status separately from confirmation and final payment handling.
Blockchain Fundamentals
Bitcoin block weight and byte size count data differently
Read Bitcoin block size and block weight as different measurements, with a simple calculation showing how base and witness data are counted.
Bitcoin Basics
A Bitcoin change output can send the remainder back to your own wallet
Bitcoin spends transaction outputs rather than subtracting from a single account balance. A change output can return the remainder to a wallet-controlled address.
Blockchain Fundamentals
Bitcoin’s coinbase transaction has a special job inside a block
Bitcoin’s coinbase transaction creates the block’s permitted reward rather than spending an ordinary previous output. Learn why the name does not mean the exchange.