https://juraj.bednar.io/en/blog-en/2025/03/18/cashu-bitcoin-freebanking/

pretty extensive #cashu blog nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vgnostr:npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc

I'm assuming you guys have seen this already