# System Guides

- [Getting an urbit](/system-guides/getting-an-urbit.md): Opportunities for getting your own Urbit
- [Application Architecture](/system-guides/application-architecture-wip.md): 1-part Urbit, 1-part DeFi, 2-parts human interaction.
- [Ethereum key management](/system-guides/ethereum-key-management.md): Not your keys, not your coins
- [On security and sovereignty](/system-guides/on-security-and-sovereignty-wip.md): "Expect to self-rescue"