> For the complete documentation index, see [llms.txt](https://elysia.gitbook.io/elysia-whitepaper-v2.1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://elysia.gitbook.io/elysia-whitepaper-v2.1/english-3/2.-problem.md).

# 2. Problem

- [2.1 Traditional Finance](https://elysia.gitbook.io/elysia-whitepaper-v2.1/english-3/2.-problem/2.1-traditional-finance.md)
- [2.2 Crypto Finance](https://elysia.gitbook.io/elysia-whitepaper-v2.1/english-3/2.-problem/2.2-crypto-finance.md)
- [2.3 The connection between traditional finance and crypto finance](https://elysia.gitbook.io/elysia-whitepaper-v2.1/english-3/2.-problem/2.3-the-connection-between-traditional-finance-and-crypto-finance.md)