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Listing ID: x402:b2d9424becef202cfba33fac5ba4f18fc4ecf74cea5d160f522c50088fa2da48

Cross-chain gas index — normalized transaction cost comparison across Ethereum, Base, Arbitrum, Polygon and Solana — Ed25519 signed attestation

Listing ID: x402:a75eee9d8648235ad6eecb09d28aa71ae31de134242d15e08808ee3166d88d7c

Optimism L2 gas price — current transaction fee for Optimism network — Ed25519 signed attestation

Listing ID: x402:f2596c588a2231300bd465347a08046772aefa0426c133facd4a421dcf11cdcc

Polygon gas price — current transaction fee for Polygon PoS network — Ed25519 signed attestation

Listing ID: x402:588024e14737473be724f011be3b5362625b75f1a5090ccb32cd1b756202aa1d

Solana transaction fee — current lamports per signature for Solana network cost estimation — Ed25519 signed attestation

Listing ID: x402:613ff476223a4f8777bf9139bf9681bc1a50bc098cdca3a047172efde32281b9

BTC options Greeks — cross-exchange consensus delta/gamma/theta/vega from 2130+ options across Deribit, OKX, Bybit — Ed25519 signed attestation

Listing ID: x402:2bd2da2f51fc5c1cb934a25ffac0b6c6738525a7e6bd1de6c923844bbee1fe66

ETH options Greeks — cross-exchange consensus from 1822+ options across 3 exchanges — Ed25519 signed attestation

Listing ID: x402:af639001d19bf8d55fee301237af2a909964158e4eda2355ade97242c12c7851

SOL options Greeks — Bybit native Greeks for 246+ options — Ed25519 signed attestation

Listing ID: x402:7cadfaddbb88eb85f2b08eb0b60ba9a56547e60ea4ddba37bff541d0ed773bd5

BTC funding rate history — per-exchange rates, 18 days. Optional exchange filter. Batch Ed25519 signed. — Ed25519 signed attestation

Listing ID: x402:19f5f96a9bbf3d232405f12dbdb5aeef457e87fedd55fdd49968edf447b0f70c

ETH funding rate history — per-exchange rates, 18 days. Optional exchange filter. — Ed25519 signed attestation

Listing ID: x402:6372dbc609867f096884571119a642558f955ec5e6a127b9491c20b3313704a3

MSSI stress index history — 56 days, per-row original signatures. Vol, stablecoin, funding, dispersion components. — Ed25519 signed attestation

Listing ID: x402:7c0f02635568cbfb19379b2b9f87912ae482d1e76bc064e974989b554dca9c1f

MSTI contagion index history — 56 days of crypto-TradFi contagion data with per-row Ed25519 signatures — Ed25519 signed attestation

Listing ID: x402:8d572e879038ce9e5be7655d690dab0fc9f8575f03bb5ebedfb10ff3e1e4a1af

MSVI volatility index history — 63 days, per-row original signatures. RV, IV, term structure, funding, PCR components. — Ed25519 signed attestat…