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August 30, 2018
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experience of blockchain intern

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AkiraMAEGAWA

August 30, 2018

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Transcript

  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”?