It is theoretically possible, as there are just a few moving parts ( 2 tweets worth ): https://twitter.com/ribasushi/status/939954274569785344 https://twitter.c

It is theoretically possible, as there are just a few moving parts ( 2 tweets worth ): https://twitter.com/ribasushi/status/939954274569785344 https://twitter.com/ribasushi/status/939954274569785344 Whether it is feasible... the amount of calculations around secp256k1 is likely practically prohibitive for pencil/paper.