OriginStamp
ScoreDetect
Wordproof
Stampery
Proof of existence
Woleet
Cesium
OneName
CoinArbitrage
Stampery
BitInfoCharts
ICO Watch List
Coinranking.com
OneName
pyCOINMON
CoinCap.io
Monitor over 6500+ Cryptocurrencies Prices in Real Time with Presets and various Layouts depending on your preferences with Arbitrage Opportunities based on a Single coin over multiple Exchanges , Have Unlimited Amounted of notifications presets Varies based on (Single Coin Price on Single Exchange, Multiple Coins Price on Single Exchange, Single Coin on Multiple Exchanges, Arbitrage Opportunities For a single coin over multiple Exchanges, Coins Price Changes Based on Percentage, Get a Notification when an Exchange Releases a new Coin, You can set all of your Alerts with and without delays, Frequency per day, When the notifications Expires and a Delay if you don't Like Instant Real time Notifications.
OriginStamp CoinArbitrageNo CoinArbitrage videos yet. You could help us improve this page by suggesting one.
Based on our record, OriginStamp seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I am actually working on the whitepaper right now. Which I will be submitting my patent idea very shortly. To secure my idea on https://originstamp.com. Source: almost 2 years ago
P.S. You should use OriginStamp or something similar to put the hash of the cafe transaction ID (a hash of a hash, I suppose) on a blockchain and tell us about it so that you can later prove that you did have a specific target transaction in mind. Otherwise, you could unfairly "change your mind" about the target transaction later. Source: over 2 years ago
2) To prove that your video or photo were collected no later than a certain date, you can hash the file and then post it to a blockchain, such as BTC or BCH. This service does that for you. I or others could help you do the technical parts. It shouldn't be too hard. Source: over 2 years ago
ScoreDetect - ScoreDetect is an innovative platform that serves as a permanence layer for data provenance, enabling systems and authorities to independently verify data authenticity.
Stampery - Stampery generates legally binding proofs of existence, integrity and ownership.
Wordproof - Prepare for next-generation SEO
BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...
ICO Watch List - A place for finding new projects and products that are raising funds via initial coin offering.
Proof of existence - Allows to certify a document ( of any format ?
