日本クリプトコイン協会 QRコードピクチャーロジックパズルシステム ［特願：2019-028585］ 「QR’z(キュアーズ)」を2月28日に公開 – ニコニコニュース
日本クリプトコイン協会 QRコードピクチャーロジックパズルシステム ［特願：2019-028585］ 「QR’z(キュアーズ)」を2月28日に公開 ニコニコニュース
一般社団法人日本クリプトコイン協会(本社：大阪府大阪市、代表理事：山下 健一)は、キャッシュレス社会において活用され始めているQRコードの利便性と実用性を「新たな …
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