contracts + blockhain technologies

[scalaz]

Hello!

Want to check how to prepare service for the signature contracts based on blockhain technologies.

Any libraries, frameworks, solution ?

Could you please recommend me start point which I should investigate.

Any smart contracts networks based on blockhain technologies ?

Any official clients  ?

Thanks.

[xqus]

Have a look here: https://bitcore.io/guides/i-made-this/
or here https://www.proofofexistence.com/about

[scalaz]

Thanks! It looks like some extension above bitcoin network. How about specific network for this aims ?

[xqus]

I haven't heard about specific networks just for signing of documents.