# Comparison of Crypto Card Generations The table below summarizes the key characteristics of each generation of crypto cards, highlighting the advancements in user control, security, and integration capabilities. | Features | 1st Gen | 2nd Gen | 3rd Gen | | ------------------------ | --------------- | --------------- | ----------------- | | Custody | Custodial | Custodial | **Non-Custodial** | | Counterparty Risk | Yes | Yes | **No** | | KYC | Yes | Yes | **Yes** | | Technical Complexity | Easy | Medium | **Hard** | | User Experience (UX) | Medium | Good | **Medium** | | Pre-Funding Requirements | High | Medium | **Low** | | Integration | Web2 – REST API | Web2 – REST API | **Web3 Native** | Each generation of crypto cards represents a significant leap forward in terms of functionality, user autonomy, and security. The transition from the simplicity of 1st generation prepaid cards to the sophisticated, non-custodial solutions of the 3rd generation mirrors the broader shift towards decentralization and user empowerment in the blockchain space. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.wirexpaychain.com/wirex-pay/evolution-of-crypto-debit-cards/comparison-of-crypto-card-generations.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.