I summarized my idea with chatgpt. The general idea is:
Universal Stablecoin Receiver: A Vision for Seamless Multi-Chain Acceptance
The Problem:
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Today, stablecoins like USDT exist on multiple blockchains: Ethereum, BNB Chain, Polygon, Arbitrum, etc.
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Users often interact with stablecoins through wallets (e.g., Nimiq) that only support specific chains (e.g., USDT on Polygon).
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Since Ethereum-style addresses (0x…) are identical across chains, users may unknowingly send tokens via the wrong chain to a wallet that does not support it — resulting in lost funds and poor UX.
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This problem is especially relevant for user-friendly wallets like Nimiq that aim to simplify crypto payments for the masses.
The Idea:
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What if a user could send USDT (or another stablecoin) from any chain — BNB, Polygon, Ethereum — to one address, and the wallet would automatically recognize and handle it correctly?
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No chain confusion. No risk of loss. Just seamless receipt of stablecoins, regardless of their origin chain.
Why It Matters:
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Solving this would eliminate one of the most common mistakes in stablecoin transactions.
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It would enable a new level of chain-agnostic user experience — essential for onboarding new users and merchants.
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For projects like Nimiq, this would be a powerful differentiator in a crowded market.
How Is This Different from Existing Solutions?
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Centralized exchanges (like Binance) require users to manually select the correct network. Errors lead to loss or costly recovery procedures.
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Cross-chain bridges (e.g., Rango, Li.Fi) focus on token swaps, not on receiving payments across chains.
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Naming services (like ENS or Unstoppable Domains) resolve to different addresses per chain, but do not provide automatic chain detection or routing.
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Circle’s CCTP for USDC comes closest but is specific to their token and doesn’t unify the address experience.
Proposed Solutions:
- Preventive UX & Smart Warnings (Short Term)
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Display clear network-specific warnings in the wallet UI.
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Use chain-aware QR codes or payment links to reduce user error.
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Lowest cost, minimal technical change, but doesn’t fix the core problem.
- Multi-Chain Listener + Unified Address Backend (Mid Term)
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The wallet backend listens for incoming transfers to the same address on supported chains (e.g., BNB, Polygon).
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Funds are either made visible separately, or routed via internal bridging to a preferred chain.
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Provides a “universal stablecoin address” experience with some operational complexity.
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Requires token bridging logic and chain monitoring infrastructure.
- Smart Address Routing Layer (Long Term / Visionary)
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A “universal” address like you.nimiq receives incoming payments from any chain.
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Middleware layer detects chain, accepts funds, and automatically routes or wraps the assets.
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Could optionally unify the balances behind the scenes.
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High complexity but creates a truly visionary UX: send from anywhere, receive safely, always.
Is This Visionary?
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Absolutely. While individual pieces exist (multi-chain swaps, naming, bridges), no one has solved this at the wallet level in a way that feels native, safe, and chain-agnostic to the end user.
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It’s the kind of problem that, once solved, makes blockchain feel invisible — and that’s exactly what mainstream crypto needs.
Reward model (example)
The values are customizable – NFTs, badge systems, voting, etc. are also conceivable.
Advantages
Promotes decentralized infrastructure on the web
validate blocks
RPC + Wallet