Transaction Details
| TX Hash | edddddc661f6ae496a4abea47444563615aae8284ba0dc19954a51cc504c9cff |
| Block | 116,309 |
| Timestamp | Wed, 06 May 2026 23:28:58 GMT (3d ago) |
| Confirmations | 2,944 |
| 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) | 5b000e8b42beda278e9136fb6d2efeb6d26b5ce83da958d50efc6244211de7fd |
| Pedersen Commitment (C) | 4b3f92f108f390994d057f0092c8c5b6f163785957dabd09adf4590740828872 |
| View Tag | 26 |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
| Output #1 | |
| One-Time Key (O) | aa49efd887a394f4ad68ba631d826c3fc8dd342dc30bad911dfd394d1c49c705 |
| Pedersen Commitment (C) | c4e9000f7f3e82ec982ec1e5a0bf85698e7dfb70dd59482eca4f283b50e18ac0 |
| View Tag | ee |
| 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 | 3f522bf4ef1444ff472cea3207dbd76ec409140864af21aa04c99b0561d5d96f |
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) | 4c521fc02ee14cd0b297bd3171ad1c7c3f92a28abadf3dedbfca26e7b114817a |
| C̃ (Pseudo-output) | 50fed05123a0730d950deeeed6f0355039d10924822ce6e9eb9d3b49537c39f5 |
| Pseudo-out (Balance) | ecd006596bc54a1ddd9628a17fa8189514bfb1e562c56fafccf0fb7722b70a8a |
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)