If the answer is not only you are allowed to join, but you have the technical means to join because a laptop is enough or something very basic, so then I have to say that means that blockchain is really decentralized. And I believe that decentralization is really the ultimate source of security. Silvio Micali, Interview with Laurence Darmiento, for the Los Angeles Times, May the 4th 2022. SILVER WORDS PROJECT ©