Transaction Details
| TX Hash | 35fbaaa4da9b9b13d0ca061c5de39a1b38fd0aada19bc9bfbc7c1a09cff5e082 |
| Block | 116,272 |
| Timestamp | Wed, 06 May 2026 21:28:48 GMT (3d ago) |
| Confirmations | 2,466 |
| Fee | 0.01908476 USDm |
| Size | N/A |
| Weight | N/A |
| Version | 9 |
Transaction Type
| Type | TRANSFER |
Inputs & Outputs
| Inputs | 1 |
| Outputs | 2 |
| Privacy Proof | FCMP++ (type 11 — Full-Chain Membership Proof over entire UTXO set; decoy rings are not used) |
Outputs
| Output #0 | |
| One-Time Key (O) | 8e7d1165b3633608fa31039c403e33b65496ede075e5563045ba17e4e5ea4201 |
| Pedersen Commitment (C) | d0a5053d04ed75d179effdf728eb3c1aa7bdcfc30992a04fa70568e6e1f91c88 |
| View Tag | 67 |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
| Output #1 | |
| One-Time Key (O) | 57589ad666e1f4eb4607a4074e92cbdf643927e869cceae37aa3caf37b207194 |
| Pedersen Commitment (C) | 4f2c5b832d6f55c1a707d56485b8a4e1a485084ce450f217df137c6bbaa5f0b5 |
| View Tag | d1 |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
Note: Actual amounts and sender/recipient addresses are private (FCMP++). Only the transaction structure is visible on-chain.
FCMP++ Proof Transcript
| Proof Type | FCMP++ Full-Chain Membership Proof |
| Anonymity Set | Entire Chain (all outputs ever created) |
| Inputs | 1 |
| Proof Size | 4,544 bytes |
| Curve Tree | Helios (C2) dual-curve architecture |
| Tree Layers | 4 |
| Tree Root | e14fe8bb6da8967ad9038075453387ab6aa8b9a6e8ee529a826c7bb632d49dee |
Curve Tree Structure
Layer 0 (Leaves) : Ed25519 output tuples (O, I, C) → Selene (C1) hashes Layer 1 (Interior) : Selene (C1) → Helios (C2) commitments Layer 2 (Interior) : Helios (C2) → Selene (C1) commitments Layer 4 (Root) : Helios (C2) tree root
The full output set is committed into a Helios/Selene curve tree. Each leaf encodes an output tuple (O, I, C) as Selene curve points. Interior nodes alternate between Helios and Selene curves, enabling efficient recursive proof composition.
Input 0 — Membership Proof
| Key Image (Nullifier) | fe2542c876eb97b51e3f2c36ee9af24ddfc5d5e5aeb91d265e9a415687f86c6e |
| C̃ (Pseudo-output) | d31f0b4add27360a897f71035220c5a6dfee67594fac4701b53813d2aa092104 |
| Pseudo-out (Balance) | 91332e2adeffe110d7dc276a28de95025d259847770d65b25b7b619b038e5a60 |
Nullifier: The key image
KI = x · Hp(O) is a deterministic, unlinkable nullifier. It prevents double-spending without revealing which output is being spent.
Spend-Auth & Linkability (SAL) Proof
ÕRerandomized one-time key
ĨRerandomized linking tag
RRerandomization scalar
C̃Rerandomized Pedersen commitment
The SAL proof demonstrates knowledge of the secret spend key, correct key image formation, and that the balance equation holds: Σ pseudo-outs = Σ output commitments + fee.
Verification Pipeline
1Deserialize FCMP++ proof from transaction
2Extract tree root (Helios (C2)), layers, key images
3Reconstruct signable hash from tx prefix
4Verify Generalized Bulletproofs+ arithmetic circuit
5Verify Helios/Selene curve tree membership (per input)
6Verify SAL proof (spend authorization + linkability)
7Check key image uniqueness (double-spend prevention)
✓Consensus acceptance
Privacy Guarantees
Anonymity SetEntire chain
Sender PrivacyHidden among all outputs
Amount PrivacyPedersen + Bulletproofs+
Receiver PrivacyStealth addresses
Double-SpendDeterministic nullifiers
Curve CycleHelios (C2) ↔ Selene (C1)