Technology Deep Dive | Tokentagged Assets Documentation

📄️ Overview

High-level introduction to the Tokentagged technology stack, security architecture, and blockchain integration.

Technical details of the NXP SmartMX3 P71D321 Secure Element and its applet architecture (Core, NDEF, U2F).

Technical details on the cryptographic trust chain, key derivation using user entropy (Chain Code), and the activation process.

Explanation of the Nonce Control mechanism that enables safe physical handover of crypto assets (Swap Card) without pre-signing risks.

Technical deep-dive into the cryptographic linking of physical tags to the blockchain, including the Write-Once contract binding.

Technical breakdown of the verification workflows: Off-chain cryptographic validation and On-chain proof of authenticity.