More and more apps will start using smart contract technology to enable never before possible features. We're going to build a smart contract called "proof of existence" that acts as a digital notary for any document using the Ethereum blockchain.
Code for this video:
https://github.com/llSourcell/proof_of_existence_demo
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More learning resources:
https://www.slideshare.net/intrins1k/ethereum-meetup-presentation-01042017-70716809
https://www.youtube.com/watch?v=R_CiemcFKis
https://auth0.com/blog/an-introduction-to-ethereum-and-smart-contracts-part-2/
https://ethereumdev.io/
https://ethereum.gitbooks.io/frontier-guide/content/writing_contract.html
http://hypernephelist.com/2016/06/01/deploying-my-first-smart-contract.html
https://blog.cloudboost.io/ethereum-smart-contracts-in-a-nutshell-for-hackers-64f357715791
http://www.techracers.com/smart-contract-solidity
http://ecomunsing.com/tutorial-controlling-ethereum-with-python
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