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Peercoin was proof of stake five years ago.
by aaron-lebo 9y ago
Peercoin was proof of stake five years ago.
- gcp 9y agoAnd the algorithm used has weaknesses and undesirable properties (nothing-at-stake-problem), which is why it's not used elsewhere. Here's some introductory reading: https://github.com/ethereum/wiki/wiki/Proof-of-Stake-FAQ https://github.com/ethereum/wiki/wiki/Proof-of-Stake-FAQ
- TD-Linux 9y agoIt also relies on centrally signed checkpoints in order to survive stake grinding attacks. I'm pretty sure such a solution would not be considered acceptable for Ethereum. https://download.wpsoftware.net/bitcoin/alts.pdf https://download.wpsoftware.net/bitcoin/alts.pdf