Transaction Details
| TX Hash | e7f62e77796300a3f443d74cd0deb65356c68d9d447e10ceabbed58ca990d4ce |
| Block | 115,626 |
| Timestamp | Wed, 06 May 2026 05:11:16 GMT (2d ago) |
| Confirmations | 1,866 |
| Fee | 0.0246826 USDm |
| Size | N/A |
| Weight | N/A |
| Version | 9 |
Transaction Type
| Type | TRANSFER |
Inputs & Outputs
| Inputs | 2 |
| 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) | a504b52f7124df7ea3881096fec53f9a1fb40e7a4e8f73a97d17ca3007d7ef91 |
| Pedersen Commitment (C) | 34286652fdcfd025dfb8c45abf09d53909bfaf6e2de48b38916ebf65d3932366 |
| View Tag | 36 |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
| Output #1 | |
| One-Time Key (O) | 45ef9377bd9733f1a25ff7e7e721584d86c022a6b974dc21113660a12abef548 |
| Pedersen Commitment (C) | 0329f8e0f6df987ed058bd5215a424ba8c02bc1e5de0d338c084e8067f968ecf |
| View Tag | 61 |
| 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 | 2 |
| Proof Size | 6,080 bytes |
| Curve Tree | Helios (C2) dual-curve architecture |
| Tree Layers | 4 |
| Tree Root | f87cfd8363064a731fc2bd29bd89abe4ee3008515d275d8e4f3bbc58ec77f09e |
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) | 699375c6ee1e9b17ce1541da0361ae94315c66c25f3321a40e989123e4eb70fe |
| C̃ (Pseudo-output) | b2528422426a55f4b7c25060b0805ee40e1333f1a268ce8d95f2f6fedb318359 |
| Pseudo-out (Balance) | 71e622548a484e4712843396162ef007264c033d772cf472aaa80c0b94457a16 |
Nullifier: The key image
KI = x · Hp(O) is a deterministic, unlinkable nullifier. It prevents double-spending without revealing which output is being spent.
Input 1 — Membership Proof
| Key Image (Nullifier) | 29134602f1c360f61986f96d8f3c8bb58addeae2b5b50a9e9e2c31b52a4442e1 |
| C̃ (Pseudo-output) | f899be4867f238ab343991bdc2d1a5fa9fffd411b643f83bed4f6d3b3e773e57 |
| Pseudo-out (Balance) | af08a69ee38e4f38622b3dbdf01328c9f9e7902f0b241fc241119fc2abbacf3d |
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)