BasicsBitcoin explained simply, from 2008 to 21 million
Bitcoin has run since 3 January 2009, writes a block every 10 minutes and ends at just under 21 million units. The figures, and who sets them.
BasicsBuying bitcoin in Germany: the first steps
Licensed providers, identification under German law, order types, costs and custody. And why the holding period of 1 year counts from the first purchase.
BasicsHow a blockchain works: hash, block and 6 confirmations
A blockchain links blocks through hash values. Why 6 confirmations are enough, why the difficulty is reset every 2,016 blocks, and what 51 per cent means.
Tools on this topic
Hands-on blockchain
Three blocks, real SHA-256 hashes, one mining button: change a block and watch the chain break.
Satoshi converter
Convert euro, US dollars, bitcoin and satoshi into one another at the current price.
Crypto knowledge quiz
Twelve questions on Bitcoin, security, tax and the market, with an explanation after every answer.