Is proof of stake really that secure?

Apr 8, 2018
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#1
To reverse a proof of work transaction, you need to have the hashing power equal to the rest of the node on the network, simply changing the digits on everyone's computer will not work.

To reverse a proof of stake transaction, you need a few major share holder to form a consensus, or change the digits on everyone's computer. What the f🅰️k are people thinking?