> For the complete documentation index, see [llms.txt](https://oyaapay.gitbook.io/oyaapay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://oyaapay.gitbook.io/oyaapay/about/appendices.md). # Appendices Glossary of Terms * Blockchain: A decentralized digital ledger that records transactions across many computers securely. * Cryptocurrency: Digital or virtual currencies that use cryptography for security and operate independently of a central bank. * DeFi (Decentralized Finance): Financial services, including lending, borrowing, and trading, that operate on blockchain without central financial intermediaries. * Web3: The third generation of the internet, which incorporates decentralized networks, blockchain technologies, and token-based economics. Contact Information For more information, inquiries, or to engage with OyaaPay, please contact us through the following channels: * Email: * [Website](https://oyaapay.com/) * [Social Media](https://twitter.com/OyaaPay) Join us at OyaaPay as we pave the way for a future where digital banking is accessible, secure, and aligned with the vast potential of Web3 technology.