Back is a pioneer of cryptography, and we owe him the first successful product where proof of work was used. We are talking about Hashcash, which implemented this technology to reduce or prevent spam in emails, and not for the same purposes as in Bitcoin.
Follow mr. Back: https://twitter.com/adam3us
Visit his website: http://adam3.us/
Follow Satoshi in Venezuela on Social Networks:
Twitter: https://twitter.com/satoshienvzla
Instagram: https://instagram.com/satoshienvzla
Follow Javier Bastardo_
https://twitter.com/criptobastardo
Join our Telegram Group:
https://t.me/satoshienvenezuela
Make a donation to Satoshi in Venezuela:
https://satoshienvenezuela.com/contacto