Trying to create bitcoin only companies list:

1. Swan Bitcoin - bitcoin only financial services, bitcoin education. Also they are hosting one of the biggest bitcoin conferences - Pacific Bitcoin.

2. Blockstream - hardware wallet, software wallet, L2 solutions. Founder is Adam Black the creator of hashcash algorithm (POW was inspired by hashcash)

3. Foundation Devices - hardware wallet

4. Braiins - mining hardware

Add more companies in comments. Let's create the biggest bitcoin only companies list!

#bitcoin #nostr #job #mining #education #finance