> For the complete documentation index, see [llms.txt](https://earn.blink.sv/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://earn.blink.sv/chapter-401-lightning-network.md).

# Chapter 401 - Lightning: What does it solve?

- [401.1 Lesson - bitcoinDrawbacks](https://earn.blink.sv/chapter-401-lightning-network/401.01-lesson-bitcoin-drawbacks.md)
- [401.2 Lesson - blocksizeWars](https://earn.blink.sv/chapter-401-lightning-network/401.02-lesson-block-size-wars.md)
- [401.3 Lesson - lightningNetwork](https://earn.blink.sv/chapter-401-lightning-network/401.03-lesson-lightning-network.md)
- [401.4 Lesson - instantPayments](https://earn.blink.sv/chapter-401-lightning-network/401.04-lesson-instant-payments.md)
- [401.5 Lesson - micropayments](https://earn.blink.sv/chapter-401-lightning-network/401.05-lesson-micro-payments.md)
- [401.6 Lesson - scalability](https://earn.blink.sv/chapter-401-lightning-network/401.06-lesson-scalability.md)
- [401.7 Lesson - paymentChannels](https://earn.blink.sv/chapter-401-lightning-network/401.07-lesson-payment-channels.md)
- [401.8 Lesson - routing](https://earn.blink.sv/chapter-401-lightning-network/401.08-lesson-routing.md)