Please refer to the SKALE Network security policy.
SKALE Manager contracts are periodically audited by third parties, and have been audited independently by ConsenSys Diligence, Quantstamp, and Solidified.
- https://consensys.net/diligence/audits/2020/01/skale-token/
- https://consensys.net/diligence/audits/2020/10/skale-network/
- https://certificate.quantstamp.com/full/skale-network
- https://github.com/solidified-platform/audits/blob/master/Audit%20Report%20-%20SKALE%20Self-Recharging%20Wallets.pdf
All production smart contracts are tested and have >93% line and branch coverage.
Please see the SKALE Network's HackerOne program for any bug bounties related to SKALE Manager: https://hackerone.com/skale_network