Are you a marathon finisher? Engrave a "Finisher Certificate" into the Bitcoin blockchain for only 39.90 Euro. The certificate will be locked for all eternity. Your certificate will be replicated thousands of times and distributed and anchored into more than 10,000 full nodes of the original Bitcoin blockchain.
No nation, no government, no company, no person can ever remove your "Finisher Certificate" from the blockchain, not even you! It will be preserved for you and the world forever.
You fill in the fields below. Your entry into the Bitcoin blockchain will look like this: