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QNTMEXWallet · Web3
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Non-Custodial · Privacy First · QNTMEX Wallet

Your crypto.Your keys.Your wallet.

The QNTMEX Wallet puts you in full control — self-custody across ETH, BTC, SOL, TRX and BNB. No account, no middleman, no compromise.

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5 chains · ≈85%

ETH · BTC · SOL · TRX · BNB — of all crypto value lives on these networks

Non-custodial

Your keys, your assets

UK / EU registered

QNTMEX LTD (UK) · Quantum EX s.r.o. (CZ)

Wallet

QNTMEX Wallet

A fully non-custodial multi-chain wallet. Hold, send, receive and swap across Ethereum, Bitcoin, Tron, Solana, and BNB Smart Chain. Your keys stay on your device — private, and always in your control.

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Recovery phraseOn this device only
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Web3

Web3 & Blockchain Development

Digital asset tokenisation, smart contract development, and Web3 infrastructure builds for creators and businesses.

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TokenMinted
MetadataLinked
DocumentationAttached

Full suite

What QNTMEX offers

From Web3 wallet infrastructure to blockchain development and digital asset services — one Web3 platform.

  • Self-custody multi-chain wallet app. Private keys stay on-device. No account required, zero hidden fees. ETH, BTC, TRX, SOL, BSC — 5 chains, one wallet.

    Private keyStored on this device
    AccountNot required
    Hidden feesNone
    NetworksETH · BTC · TRX · SOL · BSC

  • On-chain DEX swaps inside the app, plus username-based transfers across all 5 chains. Full fee breakdown before every confirmation — no surprises.

    SwapOn-chain
    FromETH
    ToSOL

    Fee breakdown

    Network fee
    Swap fee
    You receive

  • Mint digital tokens representing assets, files, or ownership interests — with metadata linking each token to its underlying documentation.

    TokenMinted
    MetadataLinked
    DocumentationAttached

  • Custom smart contract development, on-chain integrations, and Web3 infrastructure builds. From token deployments to full dApp architecture — we build it.

    contract.solSmart contract
    contract Token {
  mint(to, uri);
  transfer(to, id);
}
    CompileDone
    DeployDone

  • A UK registered company with publicly verifiable records. Our non-custodial architecture means we never hold or touch your funds, every fee is shown in full before you confirm, and every transaction settles openly on-chain — verifiable by anyone, at any time.

    TransactionSettled on-chain
    From0x3f4c...9a2e
    CustodyNon-custodial
    FeesShown in full before confirm
    RecordPublicly verifiable

  • Know Your Transaction — screen any BTC, ETH, BNB Chain, TRON or Solana address against eight government sanctions lists (OFAC, UN, EU, UK OFSI and more) before you send. Instant risk score and a downloadable PDF report, so you can avoid tainted funds and keep a clean record.

    AML & KYT scanPDF report

    Risk score

    Sanctions lists checked

    OFACUNEUUK OFSI+4

Your wallet and your Web3 build, in one place.

Explore our wallet app and Web3 development services. Everything you need to operate in the digital asset space.

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