[Crypto Q&A] Can I store secrets or passwords on the Ethereum network?

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All data on Ethereum is public. It is not possible to store secrets or passwords in Ethereum contracts without it being seen by all.

All data on Ethereum is public. It is not possible to store secrets or passwords in Ethereum contracts without it being seen by all. There is work being done to make this a possibility through code obfuscation and other techniques. A good read would be “Privacy on the Blockchain” by Vitalik Buterin.

Privacy on the Blockchain

no you can't