A minimalist portrait of Alan Turing from Hirsute History: a celebration of hair and influence for the scientist, philosopher, or thinker in us all. Check out the full Hirsute History collection: http://hirsute.amorphia-apparel.com
Tags: cryptography, nerd, geek, philosophy, scientist
Bitcoin is a digital and global money system (currency). It allows people to send or receive money across the internet, even to someone they don't know or don't trust. Money can be exchanged without being linked to a real identity. The mathematical field of cryptography is the basis for Bitcoin's security.
Tags: cryptography, crypto, currency, bitcoin-hodl, bitcoin-graphic