Proof of work because …
https://ift.tt/miDQbRU
In [Fortune Article](https://ift.tt/E5hCQD8bitcoin/) Tim Beiko lead says re PoS
*He said that the move to proof-of-stake would actually improve security against potential hacking.*
>“Under proof-of-stake, if an attack happens, we can simply upgrade the network to remove the attackers’ coins,” he said.
Bitcoin fixes this !
Cryptocurrency
