a certain document existed at a certain time in the past

February 27, 2009 From : Hal Finney

"BTW I don't remember if we talked about this, but the other day some people were mentioning secure timestamping. You want to be able to prove that a certain document existed at a certain time in the past. Seems to me that bitcoin's stack of blocks would be perfect for this. "

Hal Finney

Cryptography Mailing List

Owner Log Records for :
i/2521.png
Linked OpenSea NFT
Linked Qora Name :
/flores on /i World Map
Owner :
Okchai since June 2023

AITWAY.COM 50% off for OpenSea Qora & Qora2 NFT holders

{ - [] - }