Hash-based authorization
QRL documents XMSS transaction signatures. XMSS is a stateful hash-based scheme covered by NIST SP 800-208. Each one-time-signature index must be used only once; coordinating that state is part of secure operation.
The wallet matters
The default QRL address has 1,024 outgoing signature indexes. Incoming transfers do not consume the recipient's indexes. Advanced key structures require attention to the project's documentation.
Two different theses
A cryptographic design can be compelling while liquidity, adoption or custody remain weak. An investment thesis must address both technical and economic constraints.