[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]  TFTC [@TFTC21](/creator/twitter/TFTC21) on x 80.2K followers Created: 2025-07-17 15:20:00 UTC Ken Shirriff just mined #Bitcoin by hand, pencil and paper. One SHA-256 round took XX minutes.  XXXXX engagements  **Related Topics** [#bitcoin](/topic/#bitcoin) [bitcoin](/topic/bitcoin) [coins layer 1](/topic/coins-layer-1) [coins bitcoin ecosystem](/topic/coins-bitcoin-ecosystem) [coins pow](/topic/coins-pow) [Post Link](https://x.com/TFTC21/status/1945866079244607733)
[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]
TFTC @TFTC21 on x 80.2K followers
Created: 2025-07-17 15:20:00 UTC
Ken Shirriff just mined #Bitcoin by hand, pencil and paper.
One SHA-256 round took XX minutes.
XXXXX engagements
Related Topics #bitcoin bitcoin coins layer 1 coins bitcoin ecosystem coins pow
/post/tweet::1945866079244607733