Here is a good place to start https://cashu.space/
Did a pod with nostr:npub1zqsu3ys4fragn2a5e3lgv69r4rwwhts2fserll402uzr3qeddxfsffcqrs for nostr:npub1fpcd25q2zg09rp65fglxuhp0acws5qlphpg88un7mdcskygdvgyqfv4sld discussing it a bit as well. Or anything nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg has done (he’s been on several pods discussing this as well cc nostr:npub14mcddvsjsflnhgw7vxykz0ndfqj0rq04v7cjq5nnc95ftld0pv3shcfrlx nostr:npub1cj8znuztfqkvq89pl8hceph0svvvqk0qay6nydgk9uyq7fhpfsgsqwrz4u nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx
https://progressivebitcoiner.com/tpb71-scaling-bitcoin-with-erik/