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i'm new to Solidity. After writing my first smart contract im fairly concerned about it's security, once deployed to the MainNet. What are the most important things i should check within my code? Also are there any resources where i can learn about attack patterns?

marked as duplicate by Ismael, Richard Horrocks, Malone, Jesse Busman, atomh33ls Nov 15 '17 at 17:50

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  • What do you mean attacks? Do you know about how Ethereum works? What are smart contracts and how to access them? – Florian Castelain Nov 12 '17 at 11:48
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    A SmartContract is a program that lives and executes on the blockchain. One of the most popular languages for Smart Contracts is Solidity link. Since a contracts code is not changeable once deployed, im extra concerned about potential security risks. There is a history people loosing millions due to bugs in Contracts link – Rene Füchtenkordt Nov 12 '17 at 11:56
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One handy guideline i found: https://medium.com/@merunasgrincalaitis/how-to-audit-a-smart-contract-most-dangerous-attacks-in-solidity-ae402a7e7868

The article is a step by step guide how to do a security audit for smart contracts.

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