Stand up a real-time GST invoice verification network where input tax credit claims are validated against on-chain buyer-confirmed invoices. The Trade Finance Documents, Logic and Actions Editor, and Compliance Attestations modules carry the core, so fake invoice fraud is detectable at invoice creation, not months later at audit.
Turn post-facto manual reconciliation into real-time invoice verification that blocks fake ITC claims at source.
01.
Record at creation. Trade Finance Documents anchor each invoice as the seller issues it, so the tax authority sees it immediately rather than months later at audit.
02.
Require a counterparty. An ITC claim is valid only against an invoice the buyer has confirmed on-chain, so an invoice with no buyer acknowledgement cannot back a credit.
03.
Validate the claim instantly. The Logic and Actions Editor checks each credit claim against confirmed invoices, blocking a claim with no matching buyer-confirmed record.
04.
Catch fraud at source. A fictitious invoice created to claim credit on a purchase that never happened is detectable at creation, not at the annual reconciliation.
05.
Escalate suspicion. When a claim fails validation, Compliance Attestations flag the taxpayer's account for investigation with an evidence-backed record.
06.
Stop it before audit. A fake claim is detected months before the annual audit, so the credit is blocked rather than recovered after the loss.
Follow a single transaction from invoice creation through buyer confirmation to a real-time ITC validation or block.
10:14:11
[SYS] Anchoring seller invoice...
10:14:11
[CMD] createInvoice { seller: "GSTIN_A", buyer: "GSTIN_B", tax: 900000 }
10:14:12
[AUTH] Verifying seller GSTIN...
10:14:12
[OK] Invoice INV_7742 anchored at block 7912233.
Cerulea decomposes GST reconciliation into modular contracts. Each layer anchors, confirms, validates, and flags so fake credits fail at source rather than at audit.
Real-time invoice verification is a horizontal capability. Here is how different actors put the tax ledger to work.
Validate input tax credit claims against confirmed invoices in real time, intercepting fake-invoice fraud at creation instead of recovering losses after annual audit.
Key Asset Types
Confirm invoices and claim legitimate credit against a verifiable record, protecting compliant taxpayers from being caught in fraud-driven scrutiny.
Key Asset Types
Act on evidence-backed flags the moment a fake claim is attempted, focusing enforcement on genuine fraud rather than trawling annual returns.
Key Asset Types
Whether you are bridging a legacy GST return system or capturing invoices from business accounting software, Cerulea routes both into one real-time invoice verification ledger.
For national GST return and reconciliation systems. Invoice and claim events are translated into anchored on-chain records through the API gateway automatically.
GST Return System
Tax Authority Systems
Cerulea API Gateway
Invoice Hashing & Signing
Cerulea Private Chain
Invoice Verification Ledger
For business accounting and billing software. A signed connector anchors each invoice and confirmation from the business and routes it directly to the ledger.
Accounting Software / Wallet
Business Systems
Consortium Validators
Invoice Consensus
Cerulea Ledger
Confirmed Invoice Record
Building a GST verification network with real-time invoice anchoring, buyer confirmation, and ITC validation from scratch requires specialised engineers and long integration cycles. Calculate your exact deployment speed using Cerulea.
Traditional Deployment
Solidity Coding & Audits
~ 14 Months
Visual Compilation
WASM Logical Artifacts
~ 5 Weeks
The legacy timeline reflects tax administration integration benchmarks. Wiring GST systems, building real-time ITC validation, and shipping fraud flagging for an average verification network takes a baseline of 9 months. Building the same architecture on Cerulea takes a baseline of 2 weeks, because Cerulea Studio visually translates your invoice and ITC rules into pre-audited WebAssembly binaries and provisions the shared verification ledger instantly.