Blocksize Limit

Blocksize Limit

The blocksize limit is the maximum size of each block, in terms of data, in the blockchain. It therefore limits the number of transactions that…

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Blockchain Reorganisation

Blockchain Reorganisation

A blockchain reorganisation can occur when a miner temporarily withholds publishing blocks they have found until they have enough blocks to make the chain they…

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Double Spend

Double Spend

A double spend is an occurrence when somebody tries to spend the same bitcoins more than once. Realistically they can only happen when someone accepts…

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The Blockchain

The Blockchain

The blockchain is the public ledger which records all Bitcoin transactions. Miners compete to create each block within the blockchain, the difficulty required to find…

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Multi Signature

Multi Signature

Multi-signature (often shortened to multisig) is a concept that requires a certain number of signatures to sign a transaction in order for it to be…

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Coloured Coins

Coloured Coins

Coloured Coins (officially colored coins) are known as a Bitcoin 2.0 implementation. It is a development of the Bitcoin protocol that allows anyone to assign…

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Bitcoin ATM

Bitcoin ATM

A Bitcoin ATM is a machine, often located in a shop or bar, that exchanges cash for bitcoins without the need for a human to…

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Private Key

Private Key

A Bitcoin private key is the password that allows the owner to spend the bitcoins at the corresponding bitcoin address. The address is derived from…

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Brain Wallet

Brain Wallet

A brain wallet is a bitcoin address and private key generated using a secret phrase that is hard to guess but possible to remember without…

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Paper Wallet

Paper Wallet

A paper wallet is a bitcoin address and / or private key printed or written down on paper. Paper wallets generated on offline computers are…

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