01 Project Overview
VYOChain is a regulated, multi-chain Layer-0 blockchain ecosystem. It is designed to serve as the foundational settlement and compliance infrastructure for the VALYGO financial platform — bridging traditional banking, regulated asset rails, and decentralised finance on a single sovereign network.
The network consists of one Master Hub Chain (Chain ID 1771) and five or more specialised sovereign chains, each tailored to a specific use case — from high-throughput smart contracts and identity-native assets to fully regulated banking and compliant asset tokenisation. A unified compliance stack (KYC/KYB, AML, ISO 20022, Soulbound Token identity) enforces regulatory requirements directly at the smart contract layer, anchored by the VYO Chain hub.
| Network Name | VYOChain Mainnet |
| Architecture | VYOChain Layer-0 (L0) |
| Chain ID | 1771 |
| Primary Domain | vyochain.com |
| Block Explorer | vyoscan.com |
| Native Token | $VYO — 100,000,000 fixed supply |
| Block Time | 1 second |
| Throughput | 5000+ TPS — live block on VYOScan |
| Gas Limit | 200,000,000 |
| Base Gas Floor | 0.01 gwei |
| Subnets | 5+ — VYOChain Hub, Smart Contract, NFT, Banking, Regulated Chain, Micropayment, Shadow, Internal Compliance |
| Compliance Stack | KYC/KYB · AML · ISO 20022 · SBT Identity · QuantumVerifier · VYO Chain Hub Settlement |
| Entity | VALYGO Labs LLC · 27 Paradise, Charlestown, Nevis, Saint Kitts-Nevis · BRC: L24270 |
02 Chain Architecture & Master Hub
The VYOChain Mainnet (Chain ID 1771) acts as the Master Hub — the root of trust and sovereign settlement layer for the entire network. All subnets connect to and settle through the hub. Cross-subnet communication is handled by ICTT (Interchain Token Transfer) and ICM (Interchain Messaging), enabling atomic token movement and arbitrary message passing without relying on external bridges for internal transfers.
The VYO Chain hub anchors identity, compliance routing, and zero-fee internal movement across every subnet in the ecosystem. External connectivity is provided via the VYO Bridge (LayerZero v2 and Chainlink CCIP) with dual-lane security and per-adapter rate limits.
Master Hub — Key Parameters
| Parameter | Value |
|---|---|
| Chain ID | 1771 |
| Role | Master Hub — sovereign L0 settlement |
| Block Time | 1 second |
| Throughput | 5000+ TPS — vyoscan.com/de/block/3074 |
| Gas Limit | 200,000,000 |
| Base Gas Floor | 0.01 gwei |
| Max Supply | 100,000,000 VYO — fixed, no minting |
Deployed on Master Hub
- WVYO
- VYOBurn / BurnRouter
- AMLControl
- IdentityHub
- ICTT
- ICM
- ValygoBridge
- VUSD-C
- VUSD-T
- QuantumVerifier
Dynamic Gas Pricing
| Network Condition | Gas Price |
|---|---|
| Normal | 0.01 gwei |
| Under Load | 0.1 gwei |
| Under Attack / Surge | 0.2 gwei |
03 Subnet Ecosystem
VYOChain's sovereign chains are purpose-built for distinct use cases. Each subnet runs its own EVM instance and inherits security from the VYOChain primary network via the Master Hub. Each purpose-built chain receives 10,000 VYO at genesis (deducted from the 100M fixed supply). Three chains are live today; Banking, Regulated Chain, and additional sovereign chains launch in Q4 2026.
| Subnet | Chain ID | Status | Tier | Primary Use |
|---|---|---|---|---|
| VYOChain (Master Hub) | 1771 | Live | Hub | Sovereign L0 settlement, identity, compliance routing |
| smartchain | 7771777 | Live | 0 — Open | General-purpose EVM smart contracts |
| nftchain | 7773777 | Live | 0 — Open | NFT minting, trading, SBT primary registry |
| Banking | 7776777 | Q4 2026 | 3 — Regulated | Payments, VUSD stablecoins, ISO 20022 |
| Regulated Chain | 7775777 | Q4 2026 | 3 — Regulated | Compliant asset rails and regulated tokenisation |
| Micropayment | 7778777 | Q4 2026 | 0 — Open | High-volume, low-fee micro transactions |
| Shadow (Mirror) | 7779777 | Internal | Internal | Read-only compliance mirror — no user access |
| Int. Compliance | 7770777 | Internal | 3 — Regulated | Internal audit and regulatory reporting |
The Shadow Subnet is an internal compliance mirror with no public access. It replicates transaction data for regulatory audit purposes only. HyperSDK migration is planned for Micropayment and Shadow subnets post-launch to support extreme throughput requirements.
04 Compliance Tier System
VYOChain applies a tiered compliance model that matches regulatory requirements to the risk profile of each subnet. Higher-value, regulated activities require progressively stricter identity verification and transaction screening, enforced through the VYO Chain hub and on-chain compliance contracts.
| Tier | Level | Applied Subnets | Requirements |
|---|---|---|---|
| Tier 0 | Open | smartchain, nftchain, Micropayment | No KYC required |
| Tier 1 | Basic | Future rollout | Email + phone verification |
| Tier 2 | Medium | Future rollout | Government ID + liveness check |
| Tier 3 | Regulated | Banking, Regulated Chain, Internal Compliance | Full KYC/KYB — mandatory before any transaction |
| Mirror | Internal | Shadow Subnet | Read-only audit — no KYC gate |
Tier 3 — Regulatory Requirements
- Full KYC/KYB verification required before any transaction
- KYC/KYB mandatory for all transactions ≥ $10,000 USD
- Valid Soulbound Token (SBT) with status VERIFIED required for access
- Every transaction screened via AMLControl and the VYO Chain hub before execution
- QuantumVerifier provides post-quantum cryptographic identity proof
- Sanctions screening: OFAC SDN, EU Consolidated, UN Security Council, UK HMT
Soulbound Token (SBT) Identity
Every verified user and business receives a non-transferable Soulbound Token (SBT) issued by VALYGO Labs LLC. The SBT stores only a one-way refHash of the off-chain KYC record — no personally identifiable information is stored on-chain. SBTs are automatically revoked on sanctions match, AML failure, or account closure.
| SBT Field | Value / Purpose |
|---|---|
| issuer | VALYGO Labs LLC, Charlestown, Nevis — BRC: L24270 |
| status | VERIFIED / SUSPENDED / REVOKED |
| level | L1 / L2 / L3 — maps to Tier, no PII |
| refHash | Irreversible hash of off-chain KYC record |
| expiresAt | Passport/ID expiry date; KYB: annual renewal |
05 Token Economics — $VYO
$VYO is the native gas, utility, and access token of the VYOChain network. Its supply is permanently fixed at 100,000,000 tokens — no minting function exists. VYO is designed as sound money: a currency built to hold value through fixed supply, predictable issuance rules, and no silent dilution.
The BurnRouter contract splits gas fees 50% to validators, 30% to burn, and 20% to treasury. A monthly burn of 1,000,000 VYO creates sustained deflationary pressure, with a burn-stop mechanism that permanently halts burns once circulating supply reaches 50,000,000 VYO — an immutable floor enforced in code, not marketing. After the floor is reached, the split becomes 80% validators, 0% burn, and 20% treasury.
| Max Supply | 100,000,000 VYO — fixed, no minting ever |
| Already Burned | 4,000,000 VYO (at time of writing) |
| Effective Circulating Max | 96,000,000 VYO |
| Monthly Burn | 1,000,000 VYO per month |
| Burn Stop / Floor | Activates at 50,000,000 VYO remaining supply — burns stop permanently at this immutable threshold |
| Burn Address | 0x000000000000000000000000000000000000dEaD |
| Gas Fee Split (pre-floor) | 50% Validators · 30% Burn · 20% Treasury |
| Gas Fee Split (post-floor) | 80% Validators · 0% Burn · 20% Treasury |
| Staking (Public Validator) | 1,000 VYO minimum |
| Staking (Permissioned Validator) | 10,000 VYO minimum |
$VYO Utility
- Gas token — native transaction fee on all VYOChain chains
- Subscription & access — required for services on vyochain.com
- Validator staking — stake VYO to participate in network consensus
- Burn mechanics — subscription payments and gas fees feed ongoing burn
- Platform tier staking — stake $VYO for ESSENTIAL and PREMIUM account access on valygo.com
Token Distribution
| Category | % | VYO Amount | Vesting | Purpose |
|---|---|---|---|---|
| Development | 50% | 50,000,000 | None | Core blockchain & platform R&D |
| Reserve | 20% | 20,000,000 | None — multisig controlled | Liquidity & institutional |
| Marketing & Rewards | 20% | 20,000,000 | None | Community growth & staking |
| Team & Advisors | 5% | 5,000,000 | 24-month full lock from TGE | Founders & advisors |
| Foundation | 5% | 5,000,000 | None | Social impact initiatives |
| TOTAL | 100% | 100,000,000 | — | Fixed supply |
The Reserve allocation is held in a Safe Multisig wallet — any movement requires multi-signature approval with a 48-hour timelock. Team tokens carry a 24-month full lock from Token Generation Event (TGE) with no cliff release.
06 BSC Bridge Token & Migration
While the VYOChain L0 mainnet was being built, $VYO was live on Binance Smart Chain (BSC) as a BEP-20 interim token. This bridge token allows early adopters to hold $VYO ahead of the native chain launch. All BSC VYO holders migrate 1:1 to native $VYO with no deadline.
| BSC Contract Address | 0xA9ff7ce6b2DC585FEB5619fdd341DbB8FBDd7f2E |
| Standard | BEP-20 on Binance Smart Chain |
| Migration Ratio | 1:1 — 1 BSC VYO = 1 native VYO on VYOChain |
| Migration Deadline | None — migration contract open indefinitely |
| Migration Mechanism | Live BSC balance read → BSC tokens burned → native VYO minted |
| BSC Contract Freeze | Month 18 post-mainnet — ownership renounced via renounceOwnership() |
| Source Code | Verified on BSCScan · github.com/valygo/VALYGO-Token |
Migration Timeline
| Phase | Timing | Action |
|---|---|---|
| Active Migration | Mainnet Launch → Month 12 | Migration open, promoted across all channels |
| Soft Sunset | Month 12 | 90-day public notice · BSC DEX liquidity removed |
| Contract Freeze | Month 18 | renounceOwnership() called · BSC contract ownerless |
| Migration Forever | Month 18+ | Anyone with legacy BSC VYO can still migrate 1:1 at any time |
The BSCMigration contract is immutable — the 1:1 ratio and open-ended deadline cannot be changed by any party, including the multisig. This guarantees migration terms are permanently honoured.
07 Smart Contracts
All VYOChain smart contracts are licensed MIT and deployed under VALYGO Labs LLC. Upgradeable contracts use a proxy pattern with 48-hour timelocked Safe Multisig governance. Immutable contracts have no admin keys by design. Over 1,000 contracts have been tested in Foundry with zero Slither high/critical findings — production hardened before mainnet deployment.
Core Infrastructure
| Contract | Purpose | Upgradeable |
|---|---|---|
| WVYO | Wrapped VYO — ERC-20 for DeFi across all chains | No |
| VYOBurn / BurnRouter | Gas fee split and monthly token burn mechanism | No |
| ValygoIdentityHub | Central identity + SBT registry | Yes |
| QuantumVerifier | Post-quantum cryptographic verification (Tier 3) | Yes |
| ICTT | Interchain Token Transfer between subnets | No |
| ICM | Interchain Messaging (VYOChain native protocol) | No |
Compliance Contracts
| Contract | Purpose | Upgradeable |
|---|---|---|
| ValygoComplianceProxy | Upgradeable proxy for all compliance modules | Yes |
| ValygoAML | On-chain AML rule enforcement | Yes |
| KYCRegistry | KYC status linked to SBT identity | Yes |
| AMLControl | Transaction screening and flagging via VYO Chain hub | Yes |
| ValygoISO20022 | ISO 20022 message format enforcement on-chain | Yes |
Bridge, Stablecoins & Migration
| Contract | Purpose | Upgradeable |
|---|---|---|
| ValygoBridge | Cross-chain bridge with AML screening and hold thresholds | Yes |
| VUSD-C | VALYGO-pegged USDC — collateral-backed stablecoin | Yes (logic) |
| VUSD-T | VALYGO-pegged USDT — collateral-backed stablecoin | Yes (logic) |
| BSCMigration | 1:1 BSC VYO to native VYO — open indefinitely | No |
08 Security & Audit Framework
VYOChain applies a defence-in-depth security model across infrastructure, smart contracts, and protocol operations. No contract is deployed to mainnet without passing automated static analysis and receiving sign-off from an independent audit firm. The contract suite is production hardened — 1,000+ contracts tested with zero Slither high/critical findings.
Smart Contract Security Gates
| Tool / Process | Type | Requirement |
|---|---|---|
| Slither | Static analysis | Zero high/critical findings — hard mainnet blocker |
| OpenZeppelin Contracts | Audited base library | ERC-20, Pausable, AccessControl, Ownable, Timelock |
| OpenZeppelin Defender | Runtime monitoring | Post-deployment anomaly detection and alerting |
| Foundry | Unit & integration testing | 1,000+ contracts tested — production hardened |
| Manual Audit Firm | External audit | Required before mainnet — CertiK / Halborn / OtterSec |
| Bug Bounty (Immunefi) | Community audit | Launched post-mainnet — all contracts in scope |
Infrastructure Security
- 100+ hardened servers — global production fleet with key-based SSH only
- Bastion hosts — two hardened nodes (UK + Canada) are the sole SSH entry points for all infrastructure
- Cloudflare Pro — all public services behind WAF, DDoS mitigation, and rate limiting
- AWS Secrets Manager — all private keys stored encrypted; never on disk or in code
- Key rotation — validator keys rotated every 90 days; deployer keys rotated after every deployment
- Wazuh SIEM — real-time security event monitoring and intrusion detection across all nodes
- Grafana + Prometheus — full infrastructure and chain health dashboards with automated alerting
- Fail2ban — active brute-force protection on every server for SSH and application layers
- Dual-stack IPv4 + IPv6 — all servers dual-stack; port 9650 never exposed publicly
Emergency Pause Mechanism
Critical contracts (ValygoBridge, VUSD-C, VUSD-T, all Tier 3 entry points) implement OpenZeppelin Pausable. A dedicated Guardian — a compliance lead holding a hardware wallet EOA — can pause instantly without multisig approval. Unpausing always requires a 3-of-5 multisig vote after review.
09 Multisig & Governance
All protocol governance and treasury operations are managed through a self-hosted Safe Multisig deployment at safe.vyochain.com. All signers use hardware wallets (Ledger or Trezor) — no hot wallet signers are permitted under any circumstances.
Signature Thresholds
| Operation | Threshold |
|---|---|
| Routine operations | 3-of-5 |
| Tier 3 contract changes | 4-of-7 |
| Emergency pause | Guardian + 1 signer (immediate) |
| Emergency unpause | 3-of-5 minimum — multisig only |
Timelock Enforcement
| Action | Timelock |
|---|---|
| Contract upgrades | 48 hours |
| Ownership transfers | 48 hours |
| Bridge parameter changes | 48 hours |
| Reserve fund movements | 48 hours |
| Emergency pause | Immediate — no timelock |
Immutable contracts — WVYO, VYOBurn, ICTT, ICM, all Vesting contracts, and BSCMigration — have no admin ownership by design and cannot be upgraded by any party.
10 KYC / KYB & AML Policy
VYOChain applies FATF-aligned KYC, KYB, and AML standards directly at the smart contract level. Identity verification is handled by SumSub (primary) and SuftIPro (secondary). No personally identifiable information is stored on-chain — only a one-way refHash. The AML portal and compliance dashboard are live.
| Tier | Chains | KYC Requirement |
|---|---|---|
| Tier 0 | smartchain, nftchain, Micropayment | None |
| Tier 3 | Banking, Regulated Chain, Compliance | Full KYC/KYB — mandatory before any transaction |
| Any | All chains | KYC/KYB mandatory for transactions ≥ $10,000 USD |
Sanctions Screening
| Sanctions List | Authority |
|---|---|
| OFAC SDN | US Treasury |
| EU Consolidated | European Union |
| UN Security Council | United Nations |
| UK HMT | UK Treasury |
Screening occurs at KYC onboarding, on every transaction via AMLControl and the VYO Chain hub, and at SBT renewal. Confirmed sanctions matches trigger SBT revocation, transaction blocking, funds freeze, and SAR filing. Data is retained for 5 years from account closure per FATF standards.
11 Stablecoins — VUSD-C & VUSD-T
VYOChain issues two collateral-backed stablecoins for use within the network. Both are deployed on the VYOChain Mainnet and the Banking Subnet, and are subject to emergency pause by the Guardian or multisig. Supply caps are set at deployment and are immutable.
| Token | Peg | Deployed On | Upgradeable | Supply Cap |
|---|---|---|---|---|
| VUSD-C | USDC | Mainnet (1771) + Banking Subnet (7776777) | Yes — logic only | Immutable |
| VUSD-T | USDT | Mainnet (1771) + Banking Subnet (7776777) | Yes — logic only | Immutable |
12 ISO 20022 On-Chain
ISO 20022 is the global standard for financial messaging used by SWIFT, central banks, and major payment networks. VYOChain enforces ISO 20022 compliance directly at the smart contract layer via the ValygoISO20022 contract, creating an immutable, auditable on-chain record of every payment instruction on the Banking Subnet. The ISO 20022 interface is live.
- All Banking Subnet payment instructions must conform to ISO 20022 format
- On-chain compliance audit trail maintained for every message
- ValygoISO20022 is upgradeable to support future ISO 20022 version changes
- Deployed on: VYOChain Mainnet (1771) and Banking Subnet (7776777)
13 Monitoring & Infrastructure
VYOChain's infrastructure runs on 100+ hardened dedicated servers across multiple geographic regions — UK, Canada, Singapore, Mumbai, Australia, and Switzerland — ensuring geographic redundancy and latency optimisation. All public services are proxied through Cloudflare Pro with WAF, DDoS protection, and rate limiting.
Critical Monitoring Alerts
| Event | Severity | Response SLA |
|---|---|---|
| Validator offline > 60 seconds | Critical | Immediate |
| Block production lag > 5 seconds | Critical | Immediate |
| Bridge hold queue > 10 pending | High | Within 5 minutes |
| BSC migration anomaly detected | Critical | Immediate — pause if needed |
| BSC unmigrated supply drop > 5% unexpected | High | Compliance + dev team alerted |
| Disk usage > 80% on any node | High | Within 1 hour |
| Backup job failure | High | Within 15 minutes |
| SBT revocation spike (>5 in 1 hour) | High | Compliance officer alerted |
| AML hold triggered on bridge | High | Compliance officer alerted |
Backup Strategy
- Automated Backup — 7-day full-disk snapshots on critical servers (validators, explorer, SIEM)
- restic + Object Storage — encrypted, deduplicated, GFS-retained off-site backups from all nodes
- GFS Retention — 7 daily, 4 weekly, 12 monthly snapshots
- Pull-based architecture — backup server pulls from nodes via bastion; source nodes never push
- Backup server is a pre-mainnet blocker — mainnet will not launch without confirmed backup infrastructure
14 Roadmap
| Milestone | Status | Key Deliverables |
|---|---|---|
| Q1 2026 — Platform Launch | Complete | VALYGO platform live · $VYO on BNB Chain · Staking · Cards |
| Q2 2026 — L0 Launch + DEX | Complete | VYOChain mainnet · smartchain & nftchain live · DEX deployment |
| H2 2026 — Network Services | Complete | AML portal · Compliance dashboard · ISO 20022 interface · DEX · .vyo domains · Block explorer · Bridge · Safe multisig |
| Q4 2026 — Sovereign Chain Expansion | Planned | Banking Chain (7776777) · Regulated Chain (7775777) · Additional sovereign chains · Platform expansion |
| Future — Advanced Features | Future | HyperSDK for Micropayment & Shadow subnets · Tier 1 rollout · Quantum Security Module |
15 Legal Disclaimer
This whitepaper is a public summary document produced by VALYGO Labs LLC for informational purposes only. It does not constitute financial advice, investment advice, legal advice, or a solicitation or offer to buy or sell any financial instrument, security, or digital asset.
VALYGO operates as a technology platform and cooperates with licensed banking partners. VALYGO does not hold customer funds. All user deposits are held by Joint Development Bank (JDB), a licensed bank in Lao PDR. VALYGO's role is to provide technology infrastructure and platform services only.
Digital assets, including $VYO, are highly volatile instruments. Their value can increase or decrease significantly and rapidly. You may lose all or part of any amount invested or held in digital assets. Nothing in this document constitutes a guarantee of financial returns, token price performance, or network uptime.
Users are responsible for understanding and complying with the laws and regulations of their own jurisdiction. The VALYGO platform, $VYO token, and related services may not be available or appropriate in all territories.