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by throwawayQuwcy
1942 days ago
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Well, the security of Bitcoin == amount of transaction fees + block rewards. The cost to 51% attack the network is opportunity cost of mining valid transactions So you either get secure wasteful bitcoin, or insecure bitcoin. Not really any other options with PoW |
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Which, after the block rewards run out and the price of Bitcoin probably looks different, will still be difficult to attack. But, the mining will have stopped then. Although it's pretty far in the future presumably.
Tons of other solutions than PoW as well, Algorand's PPoS is just one example.