Yeah, the secret phrase is the only way to delete the page once it's been published. It wouldn't be a big leap to accept crypto, the fees would just be crazy though for a single page. Thanks for the comment
ETH is a bit better but still not there yet. There's "3rd generation" systems like Hedera[0] that use hashgraphs instead and consume about as much electricity as anything else you'd do on the internet.
Or at least choose one that's actually dedicated to privacy like Monero
Cool project! I like the design and hope you had fun with it