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Algorand QR Code generator is a JavaScript module that outputs an standard QR code (exportable to SVG file and text) from a JSON object. It works in terminal, NodeJS and modern browsers. Complies to Algorand ABNF Grammar.
Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured by camera, read from images, or read from text files. The secrets can be exported to JSON or CSV, or printed as QR codes to console.
Crypto Puzzles is a tool and library to provide a bunch of functions for encryption or pseudo encryption as puzzles or brain teasers. Awesome for kids but some puzzles are also a challenge for adults.