6. Conclusion

We have entered an era where the origin of any product must be checked for its quality, its brand, the legality of the rights attached to it, its compliance with multiple requirements: security, health, ethical, etc. All these exchanges correspond to goods, payments and effects, all of which correspond to "objects", in the IT sense of the term. All these exchanges correspond to goods, payments and effects, all of which are "objects" in the IT sense of the term. The problem is that, in the ICT domain, these are virtual objects; in practice, zeros and ones circulating from one application to another or from one system to another. In addition, these objects are used for transactions involving the exchange of financial instruments, payments with monetary transfers, deliveries in electronic format of literary, artistic or technical works, and so on. In all cases, these are immaterial values....