Evan Lin
I write code. I like Bitcoin.
Bitcoin Dev Kit
https://bitcoindevkit.org/
About Me (Evan Lin)
- Independent FOSS Developer
- Funded by Spiral (Block Inc.)
- Based in Taiwan
https://spiral.xyz/
Why Bitcoin?
Decentralization
- Ease of running a full node
- Soft-forks instead of hard-forks
What is BDK?
- Bitcoin wallet library.
- Rust.
- Modular.
- Cross-platform.
- Language-bindings.
Who uses BDK?
https://bitcoindevkit.org/case-studies/
What does BDK do?
- Keychain management
- Monitor blockchain
- Transaction building
Keychain Management
- Cryptographic keys.
- Complex spending conditions?
- Script type?
Wallet descriptor (Miniscript)
https://bitcoindevkit.org/descriptors
Monitor Blockchain
- SPK-based APIs
- Electrum
- Esplora
- Block-by-block syncing
- Bitcoin Core
- Compact-block-filter (Nakamoto)
- Implement your own!
Transaction Building
- Planning module (how to sign?)
- Coin control (filter/group coins)
- Coin selection
- Sign transaction
Summary
- BDK is a powerful, modular wallet library.
- Wallets are responsible for:
- Keychain management.
- Blockchain monitor.
- Transaction building.
- BDK does the above.
- Use BDK.
BDK Discord
BDK High Level Intro
By Evan Lin
