Cryptocurrencies, blockchain technology, ...


Bitcoin (in the sense of currency – lower case) performs two functions:

  • regarding the entire payment system and
  • how to implement it using a digital token.

The bitcoin system was designed by Satoshi Nakamoto (CCH: I put it between fairy tales a long time ago) in such a way that direct transactions peer-to-peer (P2P) between users are possible, i.e. without the intermediation of the so-called a third party (e.g. a bank).

Manifest Satoshi Nakamoto

Bitcoin blockchain explorer

Bitcoin address

There are different formats of Bitcoin addresses. The original format is called Legacy format. SegWit and Native-Segwit addresses are further developments and primarily provide cost advantages.

  • Legacy addresses start with the digit “1“;
  • SegWit addresses start with a “3“;
  • Native-SegWit addresses start with “bc1“.
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