Classification lock: Interpretation Layer is a documentation and interpretation reference. It does not review, attest, promote, order, metric, advise, regulate, or operate any platform, and it does not provide on-chain execution or promises.

Terms like “review” or “proof” may appear only as referenced concepts or evidence categories. Their presence must not be interpreted as an review status, confirmation outcome, compliance claim, or promote signal.

Non-Custodial Wallet Explained

Purpose

This page defines what “non-custodial wallet” means in common technical usage and clarifies the control boundaries it implies. It is descriptive only and does not claim safety, regulatory status, recoverability, or suitability for any application category.

Meaning of “Non-Custodial”

A non-custodial wallet is generally understood as a wallet where the user controls the signing keys used to authorize transactions. Control of keys implies control over authorization, but it does not imply protection from loss, misuse, malware, scams, or operational errors.

“Non-custodial” is a control label, not a security assurance. A user-controlled key can still be compromised, and a user can still authorize an unintended transaction.

Control Boundaries and Responsibilities

In a non-custodial model, the primary control boundary is the signer: transactions and approvals require explicit signatures. The wallet provider or application interface may assist with transaction construction, but the signature is the authorization event.

Responsibility for key management (backup, recovery method, device security, and phishing resistance) is typically borne by the user. The presence of a recovery mechanism does not imply a assured recovery outcome.

Approvals, Allowances, and Persistent Permissions

Many token interactions require approvals (allowances). Approvals are permission grants that can be persistent and reusable. Do not treat “approved” status as a sign of trustworthiness. An approval can exceed the user’s intent and remain active after an interaction ends.

A non-custodial wallet can authorize approvals that enable third-party spending. This is a capability boundary that must be treated as sensitive, regardless of whether the wallet is self-custodied.

Transaction Construction vs Transaction Execution

Wallets and applications may display estimated fees, simulated outcomes, or previewed token movements. These displays are conditional and should not be interpreted as promises of execution, pricing, success, or timing.

A signed transaction can still fail or execute differently than a preview due to network state changes, fee dynamics, slippage constraints, contract behavior, or concurrent transactions.

Common Misinterpretations

Do not infer that a non-custodial wallet implies user safety, platform legitimacy, or regulatory compliance.

Do not infer that non-custodial control prevents fraud, phishing, impersonation, or malicious contract interactions.

Do not infer that “self-custody” implies transaction finality, immediate settlement, or universal compatibility with all applications.

Use-Case Framing

Non-custodial wallets are commonly referenced in contexts such as trading interfaces, token-based payments, and application sign-in flows. These are examples of where wallets may be used; they do not imply that a given wallet model is appropriate for every use case.

Non-Goals

This page does not provide security advice, does not promote specific wallet types, and does not claim that any wallet model is inherently lower-risk. It does not assurance recoverability, compatibility, transaction success, or protection from scams.

Validation Checklist

Is “non-custodial” treated as a control boundary (who signs), not as a safety claim?

Are approvals/allowances treated as persistent permissions with explicit scope and review?

Are previews and simulations treated as conditional, not as execution promises?

Are responsibility boundaries (key management, recovery limits) stated without implying outcomes?

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