Hi ReD_Yaka_MoZ and welcome to the Bitcointalk forum, what you are looking to create is possible under BSV look with MemoSV on https://memo.sv/ there is an access to create NFT, chain of custody and access tokens. the cost of deployment is derisory the amount is expressed in Satoshi BSV It's in the order of a few thousand Satoshi BSV so less than 0.01 cents these are the costs of routing and therefore the network costs that will blockchainized your selected information. Wow thank you very much for your information. That's great! Still I think I'll do a tutorial to help people like me who want to use a cheap secure channel, BSV is the ideal candidate. Thanks again