trusted timestamping
信頼できるタイムスタンプ
timestamp
timestamping
(computing)
Cryptography
computer security
Digital signature
Digital Postmarks
smart contract
CAdES
– CMS Advanced Electronic Signature
PAdES
– PDF Advanced Electronic Signature
XAdES
– XML Advanced Electronic Signature
/suto3/google.icon
trusted timestamping
image
trusted timestamping
define
trusted timestamping
wikipedia
trusted timestamping
weblio
trusted timestamping
kotobank
trusted timestamping
jisho
trusted timestamping