experience of blockchain intern

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1. ϒϩοΫνΣʔϯ։ൃ Πϯλʔϯͷࢹ఺͔Β Hi-Ether #8

2. લ઒জ / DMM.com Πϯλʔϯ @arika_nashika ɾDMM >ϚΠχϯάϥϘνʔϜ >εϚʔτίϯτϥΫτνʔϜ Blockchainnͷߦ͘຤ʹܞΘ͍ͬͯ͘

3. DMMάϧʔϓ͕ ϒϩοΫνΣʔϯͰऔΓ૊ΜͰ͍Δ͜ͱ ϒϩοΫνΣʔϯ։ൃ ϚΠχϯά ҉߸௨՟औҾ

4. ࣗ෼͕΍͍ͬͯΔ͜ͱ ϒϩοΫνΣʔϯ։ൃ ϚΠχϯά ҉߸௨՟औҾॴ

5. None
6. None

7. εϚʔτίϯτϥΫτνʔϜ։ൃ߹॓ in ܰҪ୔ • 8/22 - 8/24ʹܰҪ୔ʹͯ։ൃ߹॓ • UXͷݕূ •

   ϑϩϯτΤϯυɺόοΫΤϯυɺίϯτϥΫτɹ ͷ݁߹
8. None

9. ࠓޙνʔϜͷօ͞Μͱௐ͍ࠪͨ͜͠ͱ • 99% Fault Tolerance • FFG Casper • EOS

   • Plasma

10. ࠓޙνʔϜͷօ͞Μͱௐ͍ࠪͨ͜͠ͱ • 99% Fault Tolerance Consensus • FFG Casper •

    EOS • Plasma • Tendermint

11. 99% Fault Tolerance Consensus • ઌ೔ɺvitalik͞Μ͕ But did you know

    that if you add even more assumptions, …, you can increase fault tolerance all the way to 99%?

12. 99% Fault Tolerance Consensus • Ұൠʹɺվ͟Μ଱ੑʹඞཁͳshare • ಉظωοτϫʔΫ • share:

    50% • ඇಉظωοτϫʔΫ • share: 33%

13. 99% Fault Tolerance Consensus • “Add assumption” • Observer •

    not actively participating in the consensus • care about its output • to also be actively watching the consensus • not just downloading its output after the fact

14. • “ϒϩοΫνΣʔϯ͸ ࣗવݱ৅ Ͱ͋Δ”?