A substrate PR tip is a reward given for contributions to the Substrate code. To get a tip, you can follow these steps:
- Visit the Polkadot.js Treasury website: https://polkadot.js.org/apps/#/treasury/tips
- Check the Substrate GitHub page for PRs: https://github.com/paritytech/substrate/pull/13800
- Look at an example of a tip on Polkadot Assembly: https://polkadot.polkassembly.io/tip/0x7045b376f208b9102cde994054c7772cb8ba5f297f3d96e42c3d21fd88c2606d
These tips are rewards for people who help improve the Substrate code.