✨ Merge any missing tips from other lists

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https://github.com/securing/SCSVS

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https://github.com/guylando/KnowledgeLists/blob/master/EthereumSmartContracts.md

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https://secureum.substack.com/p/smart-contract-security-101-secureum

These are also interesting:
https://github.com/knownsec/Ethereum-Smart-Contracts-Security-CheckList
https://arxiv.org/pdf/2008.04761.pdf

There are probably a lot of duplicates.

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https://github.com/runtimeverification/verified-smart-contracts/wiki/List-of-Security-Vulnerabilities

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https://secureum.substack.com/p/security-pitfalls-and-best-practices-101