OP_RETURN is a script opcode used to mark a transaction output as invalid. Since any outputs with OP_RETURN are provably unspendable, OP_RETURN outputs can be used to burn bitcoins.
Engraving a message into the bitcoin blockchain is possible. I used the free(!) service EternityWall.it It's extraordinarily simple.
Here is the transaction as seen from multiple Block Explorers:
TXID 1
Included In Block:
- Size: 188 Bytes
OP_RETURN DATA:
EW EriclovesJessica (EW Stands for Eterinity Wall)
TXID 2
Included in Block:
- Size: 310 Bytes
OP_RETURN DATA:
EW Eric Freeburg - Website | EricFreeburg.com | https://ericfreeburg.com
TXID 3
Included in Block:
OP_RETURN DATA:
Gominak Protocol is the cure! —Freeburg
Do It Yourself
Go to Eternity Wall
If no one has used it that day, your message will be in the next block. Good luck!
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