CryptoProof
Security and privacy
blockchain timestamping
SHOW HN2018
How HN took it
3 positive, 11 neutral or asking, 0 mixed, 0 critical, out of 14 comments about the project. Thread score +0.23.
Docs: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Easy to understand and simple to use
From 2 comments
What a nice useful easy-to-use service, thanks for this, Jonai :) A comment (relevant to this site but also a more general ramble towards the direction of "why don't sites which…
wfn on HNVery nice.. excellent job on making the copy easy to understand. Would love to link to this project in my ongoing collection of cool blockchain stuff. Enjoy Devcon.. Also let me…
nnn1234 on HN
Better transparency than OpenTimestamps
From 1 comment
For now, it's very similar. The main difference is that OpenTimestamps is a bit more opaque. Basically, you get a confirmation, and then you can validate stuff on the site. I try…
flixic on HN
Objections
Unclear how it can be free given gas costs
From 1 comment
You need gas to post your "Release" to Ethereum blockchain and gas costs money. How is it possible to be free?
baotrungtn on HN
Backend has no authentication and may be DDoSed
From 1 comment
Hi HN. Quick comments about this project: * Today is 10 year anniversary to the original bitcoin.pdf release. This pdf is the first document proof I posted, included in the first…
flixic on HN
Requests
Open source the code
From 1 comment
Are you planning on open sourcing this? Thanks!
davidcollantes on HN
Use Merkle trees instead of concatenating hashes
From 2 comments
Have you considered using merkle proofs? This way the data you will submit on-chain will be relatively small and stable and you can provide the proofs directly on the front-end /…
decentralised on HNwhen you say "hash them together" do you mean concatenate or use a merkle tree ? Merkle tree has the added advantage of being able to prove that a certain hash was part of the…
asasidh on HN
Add shareable links for text verification
From 1 comment
Quick glance: there doesn't appear to be a way to link to specific messages for verification - I understand it will be difficult for large files, etc. but you can probably…
pentaxy on HN
Questions
How does it compare to OpenTimestamps
From 1 comment
How do you compare to opentimestamps.org? (other than ETH instead of BTC)
desdiv on HN
Are there other existing proof services
From 1 comment
Quick glance: there doesn't appear to be a way to link to specific messages for verification - I understand it will be difficult for large files, etc. but you can probably…
pentaxy on HN
Alternatives named
OpenTimestamps
From 1 comment
How do you compare to opentimestamps.org? (other than ETH instead of BTC)
desdiv on HN
Chainpoint
From 1 comment
Chainpoint.org
dangero on HN
Stampd, Proof of Existence, Blocksign, BlockNotary, Bitcoin notary
From 1 comment
When you submit a message, I locally generate a file you can download (or copy to clipboard), that contains the message, hash and the release it will go to. For text messages, I…
flixic on HN