Factflew is described as 'Anonymous digital file certification app powered by the 'Unknow Your Customer' (UYC) concept and blockchain technology' and is an website in the security & privacy category. There are four alternatives to Factflew, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Android apps. The best Factflew alternative is Proof of existence, which is both free and Open Source. Other great sites and apps similar to Factflew are Woleet, OriginStamp.com and ETcH.
Allows to certify a document ( of any format ? ), it gives a fingerprint relative to the date of the certification and it is stored in an online "Bitcoin blockchain". It can also verify the integrity of a document.
Blockchain timestamping and certification Software as a Service , SaaS. Woleet offers a BaaS (Blockchain as a service) platform with the following features :.
Wherever data is generated, with OriginStamp you can get it automatically timestamped to prove its integrity and time of existence.
ETcH anchors the SHA-256 hash of your file on Ethereum mainnet, creating permanent, tamper-proof proof that your document existed at a specific date. No crypto wallet, no signup required — just drop your file, pay €2 via Stripe, and receive a self-contained proof kit ZIP...
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