PoS: Attacks
Long-range attacks
A Survey on Long-Range Attacks for Proof of Stake Protocols
https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8653269
Stake-bleeding attacks
Stake-Bleeding Attacks on Proof-of-Stake Blockchains
https://eprint.iacr.org/2018/248.pdf
Grinding attacks