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こんにちは DID
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kumico
February 03, 2026
Technology
29
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こんにちは DID
kumico
February 03, 2026
Transcript
22 slides
͜Μʹͪ%*%
ࣗݾհ w 5BLVNJ,BUBTF w 4PGUXBSF&OHJOFFS*OGSBTUSVDUVSF w )PCCZ w🍜 w🎮
*EFOUJUZ ࣝผࢠ ͬͯͳΜͩΖ͏ ϝʔϧΞυϨε ి൪߸ !EFWPD@ ͷ9Ϣʔβʔ໊
ϚΠφϯόʔ
ैདྷͷࣝผࢠͷ՝
தԝूݖతͳཧ 4JHOJO8JUI(PPHMF (PPHMFʹอଘ͞Ε͍ͯΔ ೝূใͰϩάΠϯ
தԝूݖతͳཧ ΞΧϯτ͕ϩοΫ͞ΕΔ $MBVEF͕ར༻Ͱ͖ͳ͘ͳΔՄೳੑ ⚠
Ӭଓੑ͕ͳ͍ɾ࠶ར༻Մೳ αʔϏε" ೝূใొ
Ӭଓੑ͕ͳ͍ɾ࠶ར༻Մೳ αʔϏε" ి൪߸Λมߋͨ͠
Ӭଓੑ͕ͳ͍ɾ࠶ར༻Մೳ αʔϏε" Ҏલͷి൪߸Λͬͯೝূ͠ɺଞ ਓͷΞΧϯτʹϩάΠϯ͢Δ 💀
%*% T
%*% T ͱʁ ࢄܕࣝผ %FDFOUSBMJ[FE*EFOUJ fi FST
%FDFOUSBMJ[FEຊޠʹ༁͢ͱඇूத͕ͩɺࢄ ܕࣝผࢠ͕ҰൠԽ͍ͯ͠Δ άϩʔόϧͰҰҙͷࣝผࢠ 8PSME8JEF8FC$POTPSUJVNͷࢄܕࣝผࢠϫʔΩϯά άϧʔϓʹΑ༷͕ͬͯ։ൃ͞Ε͍ͯΔ IUUQTXXXXPSH53EJE
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҉߸ֶతʹݕূՄೳ ҉߸伴ʹؔ࿈͚ΒΕΔɻ%*%Λཧ͢ΔΤϯςΟςΟ ɺ͜ΕΒͷ伴Λ༻ͯ͠ॴ༗ݖΛূ໌Ͱ͖Δ
ΞʔΩςΫνϟ
ΞʔΩςΫνϟ
%*% ͭͷ෦Ͱߏ͞ΕΔจࣈྻ
%*%υΩϡϝϯτ { "@context": [ "https://www.w3.org/ns/did/v1", "https://w3id.org/security/suites/ed25519-2020/v1" ] "id": "did:example:123456789abcdefghi", "authentication":
[{ // used to authenticate as did:...fghi "id": "did:example:123456789abcdefghi#keys-1", "type": "Ed25519VerificationKey2020", "controller": "did:example:123456789abcdefghi", "publicKeyMultibase": "zH3C2AVvLMv6gmMNam3uVAjZpfkcJCwDwnZn6z3wXmqPV" }] }
7FSJ fi BCMF%BUB3FHJTUSZ %*%ΛΩʔʹ%*%υΩϡϝϯτΛऔಘͰ͖ΔΑ͏ʹอଘ͞Ε ͍ͯΔ อଘઌʹؔͯ͠ɺϒϩοΫνΣʔϯɺࢄϑΝΠϧγες Ϝɺ3%#ͳͲ༷ͰఆΊΒΕ͍ͯΔΘ͚Ͱͳ͍ɻ
$SFBUFE 3FTPMWFE 6QEBUFE %FBDUJWBUFEͷ%*%ϝιο υΛ࣮Ͱ͖Δඞཁ͕͋Δ
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#MVFTLZͷ%*%
None
#MVFTLZ%*%υΩϡϝϯτ QVCMJD,FZ.VMUJCBTF͔Βެ։伴ΛऔಘͰ͖ΔͷͰɺαʔυ ύʔςΟͷΫϥΠΞϯτϦϨʔ࣮ऀ͕ɺϢʔβʔͷߘ ͳͲΛݕূͰ͖Δ ࢄ4/4ͳͷͰɺσʔλͷվ᜵ΛݕͰ͖Δඞཁ͕͋Δ TFSWJDF&OEQPJOUΛ௨ͯ͠ɺϢʔβʔͷ1%4ͷΞυϨεΛ औಘͰ͖Δ
Ϣʔβʔ͕ಠࣗͷ1%4ʹมߋͨ͠ͱͯ͠ɺ%*%υΩϡϝ ϯτΛมߋ͢Δ͚ͩͰൖՄೳ
#MVFTLZ%*%ඇूத͡Όͳ͍ %*%ʹඥ͖ͮ͘ɺൿີ伴#MVFTLZʹΑͬͯཧ͞Ε͍ͯ Δ ओݖ#MVFTLZʹ͋ΔͷͰඇूதͱ͍͏ཁ݅ຬ͍ͨͤͯͳ ͍ ͔͠͠ɺͦΕҎ֎ͷ%*%ͷݕূՄೳੑɺ࠶ׂΓͯෆՄೳ ͳੑ࣭ΛϢʔβʔ͕डͰ͖Δ
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