How do you perform double-SHA-256 encoding?

The Bitcoin Protocol-specification gives an example of double-SHA-256 encoding. hello 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824 (first round of sha-256) 9595c9df90075148eb06860365df33584b75bff782a510c6cd4883a419833d50 (second round of sha-256) I’ve tried various SHA256 ...

Will deflation destroy Bitcoin?

With the limited total quantity of bitcoins, and people losing their wallets constantly decreasing that number, won’t rampant deflation destroy Bitcoin?