Ethereum and dApp development workshop
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keywords_brainfarts.md 1.3KB

keywords:

blockchain, digital assets Prove ownership to digital assets Decentraal.

  • centraal.
  • decentraal.

don’t beleive the hype. Je hebt geen blockchain nodig. Nee, ook dan niet. flow-chart-do-you-need-ablockchain.jpg Serieuzer: https://medium.com/@sbmeunier/when-do-you-need-blockchain-decision-models-a5c40e7c9ba1#.suev52ycl

OP_RETURN Hacks to add information to the Blockhain:

  • create addresses with text or meaning
  • create amounts with meaning: 0.00079075: 079,075: “O”, “K”.
  • OP_RETURN to the rescue:

    • 80 bytes aan info.
  • 80 bytes is weinig.

  • “Deze paragraaf alleen al, bevat 41 bytes!”

  • Daarmee verwijzingen naar, of representaties van data opnemen.

Proof of being “first”: Belastingdienst “stempeldienst”. Notaris.

  • Verwijzingen naar:
    • Verwijzing naar document: URI: berk.es/blck.pdf
    • bewijs van inhoud: SHASum: 839124bf1a
    • bewijs van versie: Git commit shasum: bfb0da6544

github.com/berkes/blck......

Dit is slechts één voorbeeld.

smart contracts

ETH downsides eth hack

example of a smart contract in blockchain Adserver with auto payout. not: because takes too long and ETH is interesting yet off-topic.

Colored Coins

Example of a doornroosje ticket