How to create an upgradeable smart contract using ZeppelinOS

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How to create an upgradeable smart contract using ZeppelinOS — example of fixing smart contract vulnerable to underflow/overflow attacks

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Great article by @paulinablaszk; Thanks for sharing @Coinmonks
When I was first learning ZeppelinOS, this article really helped me understand some of the concepts.

ZeppelinOS 2.4 makes the process of creating an upgradable smart contract even easier.

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Thank you @abcoathup! I think I should update it or write a new version using ZeppelinOS 2.4

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@paulinablaszk perhaps a new version using ZeppelinOS 2.4, with an update at the top of your original article pointing to the latest version. :smile:

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Great, thank you @abcoathup ! I’ll do that :slight_smile:

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