# Network Fundamentals

- [Mainnet and Testnets](/learn/network-fundamentals/mainnet-and-testnets.md)
- [Tokens](/learn/network-fundamentals/network-basics.md)
- [Wallets & Accounts](/learn/network-fundamentals/wallets-and-accounts.md)
- [Bitcoin Name System](/learn/network-fundamentals/bitcoin-name-system.md)
- [History of BNS](/learn/network-fundamentals/bitcoin-name-system/history.md)
- [How BNSv2 Works](/learn/network-fundamentals/bitcoin-name-system/architecture.md)
- [Core Concepts](/learn/network-fundamentals/bitcoin-name-system/core-concepts.md)
- [Operations](/learn/network-fundamentals/bitcoin-name-system/operations.md)
- [SIPs](/learn/network-fundamentals/sips.md)
- [Technical Specifications](/learn/network-fundamentals/technical-specifications.md)
- [Audits](/learn/network-fundamentals/audits.md)