All CryptosSilverback
Silverback
BACK
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OneKey App
Network
Base
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Silverback wallets, done right

The Silverback wallet helps you easily store, send, and receive digital assets. You can perform cross-chain token transactions at any time, explore NFT marketplaces and dApps, and discover more opportunities. An integrated wallet for the Silverback ecosystem, it provides you with a secure on-chain experience.

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The hardware wallet, redefined.

Why choose Silverback wallets with OneKey

  • why-choose-onekey
    Take control of the safety that belongs to you

    No real-name verification required. We collect and track no user data. Your wallet belongs only to you.

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    100% open-source and transparent

    Silverback wallet is a fully open-source wallet; every line of code can be audited and verified by security experts. Security is not based on promises, but on transparency.

  • why-choose-onekey
    Intelligent Risk Protection

    Built-in dApp phishing protection and suspicious token folding features automatically detect risky contracts to prevent malicious approvals or asset theft.

  • why-choose-onekey
    Global support

    Provide 24/7 multilingual customer support to resolve your issues at any time.

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FAQ’s

What is Silverback?

Silverback is a DeFi intelligence infrastructure protocol built on Base. It provides 21 paid API endpoints covering

swap routing, yield optimization, technical analysis, token audits, whale tracking, arbitrage scanning, and backtesting. These endpoints are monetized through the x402 payment protocol, where agents and applications pay per call using USDC — no API keys or subscriptions required.

The protocol operates the Silverback Facilitator, a zero-fee x402 payment settlement service supporting USDC

transactions across Base, Solana, and SKALE. The facilitator is built on the official @x402/core SDK and is available for any x402 resource server to integrate.

Silverback holds an ERC-8004 on-chain agent identity registered on both Ethereum and Base mainnets, providing verifiable reputation and a capability registry. Integration is available through an MCP server and npm SDK.

$BACK is the native token of the Silverback ecosystem, launched via Virtuals Protocol on Base with a fixed supply of 1,000,000,000 tokens. There is no inflation mechanism — total supply is set at launch with no minting capability.

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