Transaction Details
| TX Hash | d11f9cae647795d3bc0276358aa95314e8babf6efc05b0e6ac7bb8f114b9cc3c |
| Block | 113,649 |
| Timestamp | Mon, 04 May 2026 20:10:38 GMT (16h ago) |
| Confirmations | 1,008 |
| 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) | adcd995219d60c7edfe78f9bd8d68695acbc03f93c50d25316538dc1d0c111f4 |
| Pedersen Commitment (C) | 5e244b2da522685160c18592807c064f8892e62f8dee5d1bfc3f531d0349d238 |
| View Tag | 91 |
| Asset | ✓ USDm |
| Amount | Encrypted (Pedersen + Bulletproofs+) |
| Output #1 | |
| One-Time Key (O) | a452e9683e1dff7268ae6dcfa7c288905c314d41c52929cf8db66fd2d384c8f1 |
| Pedersen Commitment (C) | ab2608f9827e6a43f8674e2e5d73294baa2b34e2adb4bf1a1df1f44551a58b0f |
| View Tag | e4 |
| 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 | 7c46b1aa7316110149ad75b84b8ce5cfbfa62684fa58f5c82abf288354a44153 |
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) | eb49be7523c34d53038e280d7615f955dabac5a58885aa2073552688753eedc1 |
| C̃ (Pseudo-output) | 69d7b9621e2c30af991b20ac1e63475c3d497364d667f6428d299314846dade3 |
| Pseudo-out (Balance) | 7f5a298a79272b1529fb5c6b6d86d926de7ce8c11a6e9566c1a3184ece87c956 |
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) | b63d8755012b2e0170f5c47eeaba4a5b420d8b79530aa21368e9a8812f1c1aed |
| C̃ (Pseudo-output) | 2b3b83b579bb88dc8cf5bb14c1de73929bd4ff451effb6e28ace395368be8e5c |
| Pseudo-out (Balance) | 0900ea049832cb393643b0fc5fdfb8cf420ca3acc70ec44317161e7b45130293 |
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)