Source: /cirosantilli/cool-data-embedded-in-the-bitcoin-blockchain/cute-coinbase-messages

= Cute Coinbase messages
{tag=Coinbase message}

<Coinbase message> are messages that only <miner (cryptocurrency)>[miners] can embed in the blockchain.

As such most of them tend to be boring ads for <mining pools>, but there are a few exceptions, especially in the early days.