LOCAL BITCOINS https://localbitcoins.com/: This alternative is a SOCIAL NETWORK that unites buyers and sellers of CRYPTOS, with the advantage that it is done through a fiduciary mechanism, which ensures that transactions are made with much greater security and reliability, because when you want to SELL CRYPTOS, you have You have to have said balance already available, in a LOCAL BITCOINS WALLET, and when someone BUYS those CRYPTOS from you, the owner of the CRYPTOS releases the BITCOINS, and they are credited to your account. If for some reason the SELLER does not send you what you bought, you can challenge that before LOCAL BITCOINS, where you show that you already paid according to the seller's instructions, and LOCAL BITCOINS when checking the issue, releases the BITCOINS, it is a very mechanism interesting that it protects the seller and buyer. Further,