Does Blockchain perform encryption/decryption of data?How and where is data stored in ethereum case.
closed as unclear what you're asking by Achala Dissanayake, Raghav Sood, Henk, mirg, eth♦ Aug 17 '18 at 7:22
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No, there is no built-in encryption in Ethereum. In fact, Ethereum is really bad for all privacy purposes. You can find a lot of information with Google, here's one post about it: Anonymity and Privacy on Ethereum
The data is stored in the blockchain and is publicly available for all nodes.