If someone access blockchain.info, see blocks and Pool name who finded. I want know how sign this?


2 Answers 2


Mining pools self-identify blocks they've created by putting an identifier into the freely choosable input space of the Coinbase transaction.


Signed blocks come with a Relayed by IP address field belonging to the solver of the puzzle. Blockchaininfo then on its own, assigns names of mining pools to the respective IP addresses.

  • this is wrong answer
    – amaclin
    Apr 8, 2018 at 16:51
  • would you like to elaborate? Apr 8, 2018 at 18:17
  • Blocks are not signed and they certainly don't include IP addresses when relayed. Blockchain.info does track what IP address it was relayed a transaction from first, but I assume that in the case of blocks they simply go by the self-identification included by the authoring mining pools.
    – Murch
    Apr 8, 2018 at 20:41

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