proof of work #PoW

#liquid is like a #checking account btw #lightning and #bitcoin

How do you give your #grandma #laser #eye?

We all #speculate because the #future is never #certain

All second-layer monies are IOUs, or promises to pay first-layer #money.

which one is more important? #hodl or #MediumofExchange ?

No #risk, no #reward

best series i watched lately. #blacklist #movie

excelent presentation at #AdoptingBitcoin in South Africa