I had a similar idea last year. Your heartbeat would be reg…

I had a similar idea last year. Your heartbeat would be registered on-chain. Proof of existence (life) :)
Thinking of it, I made a twetch about it back then: https://twetch.app/t/778c102e23daebe758712ee665710e58981114e40e353632fb7e84d392e28f69