SafeSign
Human-readable interpretation before sensitive wallet actions.
OPEN ENGINE →TRANSACTION SECURITY INFRASTRUCTURE
Understand before you sign.
UTXO Suite is the non-custodial security layer for wallet interactions. Decode intent, expose approvals, inspect context and make the risk understandable before an irreversible action is signed.
REQUESTeth_signTypedData_v4
PermitSingle · spender 0x42…b8 · amount MAX01 · INTERCEPT02 · DECODE03 · CONTEXT04 · DECIDE
AUTHORITYPersistent token spend
CONTEXTNew spender · unverified
REVIEW01No seed custody
02No private-key access
03No auto-sign
04No auto-broadcast
INTENT / PAYLOAD / OUTCOME
What you see is not always what you sign.
A friendly interface can hide a broad approval, an unexpected spender or typed data with consequences that are difficult to read. SafeSign is designed to turn low-level requests into decision-grade context.
What the interface saysWhat SafeSign inspectsRisk context
01Swap 500 USDC → ETH
spender / allowance / calldataAPPROVAL SCOPE02Connect wallet
origin / chain / requested methodsORIGIN CONTEXT03Sign message
EIP-712 / Permit / Permit2SIGNING AUTHORITY04Send transaction
destination / value / call pathEXECUTION INTENTTHE PATH OF A SIGNATURE
Understand before you sign.
Every irreversible authorization travels the same path. UTXO Suite makes each step of that path readable — and stops at the one step it must never own: the signature itself.
REQUEST
A wallet, a dApp or an agent asks for a signature. Nothing is trusted yet.
UTXO SuiteNORMALIZE
The request is decoded into one canonical shape: method, chain, origin, parameters.
UTXO SuiteINTENT
What the request actually does, in plain terms: a transfer, an approval, a delegation, a permit.
UTXO SuiteCONTEXT · SIMULATION
Counterparty, origin and expected outcome. Simulation is evidence, never an oracle.
UTXO SuiteRISK
Weighted signals: unlimited authority, unknown code, fresh contracts, mismatched destinations.
UTXO SuitePOLICY
Your rules, applied deterministically to that evidence — a policy, not a feeling.
UTXO SuiteDECISION
ALLOW, WARN, REVIEW or BLOCK. A BLOCK is never softened by another layer.
UTXO SuiteAUTHORIZATION
You authorize explicitly. Even an ALLOW is not a signature.
YouPAYLOAD INTEGRITY
The bytes about to be signed are compared to the exact bytes you reviewed.
UTXO SuiteSIGNER
The isolated signer runs inside the wallet. UTXO Suite never holds a key or a seed.
Vigi WalletBROADCAST
Optional. A signed transaction is not automatically a broadcast one.
Vigi WalletVERIFICATION
What actually happened on-chain is checked against what you were promised.
UTXO Suite
ALLOWNothing contradicts the request. It still needs your explicit authorization.
WARNSomething deserves attention before you continue.
REVIEWThe request cannot be understood without you looking closer.
BLOCKThe request must not reach a signer under the current policy.
No decision is a signature. Authorization is always yours.
Unknown never becomes safe. Missing evidence stays missing.
A transaction-security review begins with the evidence in front of you.
ONE SECURITY LAYER
One security model. Multiple surfaces.
Guard, Wallet, Security Core, Relay and future developer integrations should share the same rule: analyze first, explain clearly, and leave execution under explicit user control.
UTXO Guard
Browser-side protection for domains, approvals, signatures and wallet requests.
VIEW PRODUCT →Security Core
Reusable local-first risk, policy and validation engine.
VIEW ENGINE →Vigi Wallet
The native VigiChain wallet and multichain self-custody command center for VigiChain, EVM/Cronos, Bitcoin and Solana. Vigi Wallet integrates the UTXO Suite security layer rather than being replaced by a separate UTXO wallet product.
VIEW PRODUCT →UTXO Relay
BTC-native routing and PSBT-oriented workflows where implemented.
VIEW PRODUCT →SYSTEM MAP
One security layer. Multiple execution boundaries.
SafeSign and Security Core remain the common decision path while UTXO Guard, Vigi Wallet and Relay expose different integration boundaries. Vigi Wallet is the actual self-custody wallet product; UTXO Suite supplies the transaction-security layer it can consume.
01 / UTXO Guard
UTXO Guard
Browser interception surface
SOURCE / INTEGRATION02 / Vigi WalletVigi Wallet
VigiChain-native multichain self-custody wallet
SOURCE IMPLEMENTED / AUDIT + STORES PENDING03 / UTXO RelayUTXO Relay
Bitcoin route / PSBT surface
ROUTING / PSBT INTEGRATION04 / UTXO AcademyUTXO Academy
Training and verification literacy
TRAINING SYSTEMCORE / SafeSign + Security CoreSafeSign + Security Core
Common evidence + decision engine
DECISION ARCHITECTURE05 / DevelopersDevelopers
Integration contracts and SDK path
INTEGRATION CONTRACT06 / EnterpriseEnterprise
Policy, evidence and approval controls
DESIGN TARGET / PILOT STATE / CURRENT EVIDENCENO CUSTODYNO AUTO-SIGNPAYLOAD INTEGRITY
UTXO ACADEMY
Learn the threat. Practice the decision.
A security academy built around real signing concepts, interactive transaction labs and differentiated assessments — not repeated trivia quizzes.
Enter the Academy→01FOUNDATIONSFREE
02SELF-CUSTODYFREE
03SIGNINGFREE
04ADVANCEDPRO
05PROFESSIONALPRO
THEORYLIVE LABSASSESSMENTCREDENTIAL
UTXO LABS
Research stays broad. UTXO Suite stays focused.
VigiChain, Zevaryn, Vestige Index and Idovio can remain visible as sibling systems and research. The commercial promise of UTXO Suite stays transaction security.