Transaction Details
| TX Hash | 600ecaacbaceeffcc0375b37a55f841fabbac59440bd0addfcc38798666e9a2a |
| Block | 116,261 |
| Timestamp | Wed, 06 May 2026 20:41:35 GMT (3d ago) |
| Confirmations | 2,413 |
| 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) | c71cdf1fa97f4484eb15a4906cbf5402bd088109fe11836f2b9301cf7c123554 |
| Pedersen Commitment (C) | a16f81abff27d33c8a7e783f06f4d844ccda9827c22e77f4b3295265301e8ea1 |
| View Tag | 24 |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
| Output #1 | |
| One-Time Key (O) | f6c4a2f653dc2827c52c752a81b9f988de540e307a1bfd4ef4c481a14c3b1545 |
| Pedersen Commitment (C) | 83ef15059d6a404359a0bfada02b2dfafa1e66819c89aa53215d4fe4a1d60ee9 |
| View Tag | bf |
| 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 | ba5eee99833d3e0c6757c269e0d136e10fbf6d9385596bb04a27cd4c3bea0c94 |
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) | 4c5dbfb5745fd33884b32b27f9d5878ba216fcc2f67ecdca03520d27ea2f7871 |
| C̃ (Pseudo-output) | 65cfe2150e78faac2453625ded9f6bd55fbc4371c2a15826ec84b2b93d6f6069 |
| Pseudo-out (Balance) | 211aabac4da00b5dfb097e72cd9b4102dac5b2d91037988d37481e32a7a16433 |
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)