IOTAStamp is a free service to tamper-proof store (hashed) data in IOTA's distributed ledger technology "the Tangle".

Privacy Notice

We do not store any text, URL or file. The hashing for personal data (texts, local files) is done completely on the client side and only hashes are sent to our server. Your data to be hashed does not leave your computer. We also do not store personalized information such as IP addresses.

Support the project

If you want to support this project, you are welcome to donate IOTA or Bitcoin.


Bitcoin: 1GXXjrWnTopt9L3euK8U4Vj8jpksHUY2WV

Contact me

Feel free to drop me a message:

iotastamp [you know the sign] pm [dot] me