This is really cool. Never thought of blockchain to be a tamper proof record of any history, not just money.

Wait. If I want to save a web snippet as a part of a bookmark or a note to self, does this mean, instead of saving it locally, I can instead have them create a snapshot of that site and just link to it permanently in my notebook or app??

Are TimestampAuthority still reasonable? Like apple has one, FreeTSA, others. They have good accuracy. These on-chain ones seems to have less. So what if we need that sub-second assurance?

Very interesting project and I think that my project of nanotimestamps could also be of interest to the author (I will try to see if I can replicate what they did as well but on the other chain)

Here is also a comment of mine explaining what it is in more depth as well[1] (I hope this comment doesn't sound as self-plug as that isn't my intention much rather than informing about other chains which can also be useful and more efficient [in this case free! which can help provide more use cases to the people at projecttimestamper and other folks])

If the people at projecttimestamper.org are reading this and are interested, please feel free to contact me if I can be of help as I love the idea and this is a really cool thing that they have done, timestamping has so many good use cases :-D

[0]: https://github.com/SerJaimeLannister/nanotimestamp/wiki

[1]: https://news.ycombinator.com/item?id=43117133

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