The journal encourages authors to digitally sign a file hash of submitted papers, that will then be timestamped in to the Bitcoin blockchain. Authors may also be requested to incorporate a personal Bitcoin handle in the first page in their papers.[266][267] Aid companies Σε γενικές γραμμές, η στρατηγική είναι απλή: https://tuckerm148aip0.spintheblog.com/profile