The Conversation: What is decentralized finance? An expert on bitcoins and blockchains explains the risks and rewards of DeFi
But so far, the reality has mostly involved financial speculation with popular cryptocurrencies like bitcoin
BTCUSD,
+4.41%
and dogecoin,
DOGEUSD,
+6.84%
which soar and plunge with alarming regularity.
So what are cryptocurrencies and blockchain good…
