The journal encourages authors to digitally indication a file hash of submitted papers, that may then be timestamped in the Bitcoin blockchain. Authors also are asked to incorporate a personal Bitcoin handle in the initial webpage in their papers.[266][267] Aid companies Εάν δεν είσαι φίλος του γραπτού λόγου τότε μπορείς https://archimedesg936wen9.liberty-blog.com/profile