Transaction Details
| TX Hash | 79eec146b230ebf449733b952bd997cd43a787f26cd41322f07998f6e5ce710b |
| Block | 116,270 |
| Timestamp | Wed, 06 May 2026 21:17:53 GMT (3d ago) |
| Confirmations | 2,468 |
| 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) | 5c0ea720d08bb765318a376560c8cfeb819d85aa85992cef23e3634166d3aed0 |
| Pedersen Commitment (C) | b6231fc7aa41dfde9748e015f8c5f88279016af21c96fd5c4c05b2015ed1ac9c |
| View Tag | cb |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
| Output #1 | |
| One-Time Key (O) | 79a6fd129b660e0b9487b3d0dcc21246d0e78c0470ff70678a1bc8b6890cd7e8 |
| Pedersen Commitment (C) | 13de1d2b887dbe7456e1c61b1f2debfe0c0e39efa5f5f0da65f1b60bb0fede3a |
| View Tag | 87 |
| 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 | 4fb405a0b5ce0129d7cc9cc6fb13e7ffbe3a0122a524d5e02252a93b3e4d0646 |
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) | bde2270ea8d06708fa6bbe08c47eb4f2ff6617b096bf017421c63baeb232aa4c |
| C̃ (Pseudo-output) | 7d360647b1bab7a8e1c91e130a013596e52f302a55cab74483e1947ed8a51001 |
| Pseudo-out (Balance) | 486ec6c016ef6edd50654083531770b3d69db3f5ecfe8450e8ad1d00723ef9f7 |
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)