Building a privacy-friendly subscription system for Web3 users (no KYC, no emails) — looking for alternatives to Stripe

Hey all,

I’m working on a Web3 tool that uses a tiered subscription model (monthly access, different feature sets per tier). The catch:

• Our audience are privacy-first Web3 users, so we don’t want to collect emails or any personal info.
• We also can’t really use Stripe, since that involves traditional KYC and fiat rails.
• Each user might connect multiple wallets under the same subscription tier.

I’m trying to figure out the cleanest way to implement this kind of setup.

Some early thoughts:

• Using smart contracts for subscription tiers (maybe via ERC-721 or ERC-1155 “membership NFTs”).
• Payment in stablecoins (USDC, DAI, etc.) or native gas tokens (ETH, MATIC, etc.).
• Maybe integrate something like Superfluid for streaming payments, or Unlock Protocol for token-gated access.
• Managing multiple wallets per user without a centralized identity layer is tricky — possibly link wallets via signed messages or ENS text records?

Has anyone tackled a non-custodial, privacy-respecting subscription model before?
What tools or protocols would you recommend as “Web3-native Stripe alternatives”?

Would love to hear how others are approaching subscription logic, recurring payments, and wallet linking in decentralized contexts.