@SimplestBTCBook
Free PDF at thesimplestbitcoinbook.net
Public Key
npub1wnx74k7auwjsy4nr8g3j6szymsnmuujpq02jv62f68qrgywqdh0qylwm5aProfile Code
nprofile1qqs8fn02m0w78fgz2e3n5gedgpzdcfa7wfqs84fxd9yarsp5z8qxmhs4jgqgdAuthor Public Key
npub1wnx74k7auwjsy4nr8g3j6szymsnmuujpq02jv62f68qrgywqdh0qylwm5a