199 Services from api.myceliasignal.com

Returns current GPU compute prices aggregated from 4 sources covering 80+ GPU models, with Ed25519 signed attestation for data integrity

Returns ETH risk-neutral price distributions at 12 time horizons derived via Breeden-Litzenberger from SVI implied volatility surfaces, with quantiles, directional probabilities, sigma ranges, skewness, and Ed25519-signed attestation

Returns Bitcoin risk-neutral probability distributions at 12 time horizons derived from SVI option surfaces via Breeden-Litzenberger, including quantiles, directional probabilities, sigma ranges, skewness, and Ed25519-signed attestation

Returns cross-exchange consensus delta, gamma, theta, and vega for BTC/USD options aggregated from 2130+ contracts across Deribit, OKX, and Bybit, with Ed25519 signed attestation

Returns the ETH/USD implied volatility surface including ATM IV, skew, and term structure derived from 690+ Deribit options, with Ed25519 cryptographic attestation

Returns live lending/borrowing rates across 7 DeFi protocols on 7 blockchains, delivered as an Ed25519-signed on-chain attestation

Returns a cryptographically signed (Ed25519) composite sentiment index for ETH/USD, incorporating funding rate, volatility skew, put-call ratio, term structure, and basis components

Returns market-implied FOMC rate path probabilities (cut/hold/hike per meeting), entropy, expected change, and surprise metrics derived from Kalshi and Polymarket prediction markets, delivered as an Ed25519-signed attestation.

Returns BTC/USD order book imbalance metrics — depth, spread, and sweep cost — aggregated across 5 exchanges with collapse detection, delivered as a cryptographically signed Ed25519 attestation

Returns BTC futures term structure data — basis, annualized carry, and contango/backwardation indicators across 3 exchanges — with Ed25519 signed attestation

Returns the current Polygon network gas price as a cryptographically signed (Ed25519) attestation with median aggregation across multiple RPC sources

Returns the MSXI composite BTC/USD market sentiment index score (neutral/bullish/bearish regime) with Ed25519-signed attestation and component breakdown

Returns the BTC/USD implied volatility surface including ATM IV, 25-delta skew, and term structure derived from 870+ Deribit options, with Ed25519 signed attestation

Returns the Bitcoin to Euro Volume-Weighted Average Price (VWAP) as a cryptographically signed Ed25519 attestation

Returns a cryptographically signed (Ed25519) Volume-Weighted Average Price attestation for BTC/USD

Returns a cryptographically signed (Ed25519) attestation of the current ETH/USD spot price

Returns the current XAU/USD gold spot price as an Ed25519-signed attestation aggregated from multiple exchanges

Returns a cryptographically signed (Ed25519) attestation of the current GBP/CAD exchange rate

Returns a cryptographically signed (Ed25519) composite ETH/USD perpetual funding rate attestation aggregated across exchanges

Returns a cryptographically signed (Ed25519) USDT/EUR derived exchange rate attestation aggregated from multiple financial data sources

Returns current Anthropic Claude model pricing (input/output cost per million tokens and context window sizes) as an Ed25519-signed attestation

Returns ETH same-day price distribution statistics (median, p10–p90 quantiles, entropy) derived from Polymarket prediction markets, delivered as an Ed25519-signed attestation

Returns the current ADA/USD spot price as a cryptographically signed (Ed25519) attestation

Returns the current Bitcoin to Euro spot price as an Ed25519-signed cryptographic attestation

Returns a 0-100 composite equity market breadth score combining sector participation above 20-day moving averages, RSP/SPY breadth momentum, and SPY price momentum, with Ed25519-signed attestation.

Returns a cryptographically signed (Ed25519) attestation of the current Brent Crude Oil price

Returns a composite BTC/USD perpetual funding rate aggregated across 5 exchanges with OI-weighting, median, predicted rate, and market regime, all Ed25519 signed

Returns a cryptographically signed (Ed25519) attestation of the current WTI crude oil spot price

Returns the latest US Non-Farm Payrolls (NFP) figure as a cryptographically signed Ed25519 attestation

Returns a cryptographically signed comparison of USDC lending/borrowing rates across all major DeFi protocols

Returns the current Ethereum network gas price with cryptographic Ed25519 attestation, sourced from multiple RPC providers and aggregated via median.

Returns 63 days of historical MSVI volatility index data for BTC/USD with per-row cryptographic attestation, including realized volatility, implied volatility, term structure, funding, and put/call ratio components.

Returns a multi-exchange implied volatility surface for ETH/USD options with per-strike IV, cross-exchange divergence detection, and mispricing alerts, delivered as an Ed25519-signed attestation.

Returns the implied volatility surface for SOL/USD aggregated across multiple exchanges, with per-strike IV data and an Ed25519-signed attestation.

Returns the current XAU/EUR (gold in euros) spot price as an Ed25519-signed cryptographic attestation

Returns Ed25519-signed ETH/USD price structure attestation (support, resistance, at-level) with strength and proximity scores derived from 69-day spot history using pivot, density, and round-number methods with cross-method corroboration.

Returns Ed25519-signed ETH/USD swing-pivot price levels (support, resistance, at-level) with strength and proximity scores derived from 69 days of spot price history

Returns Ed25519-signed psychological round-number support and resistance price levels for SOL/USD based on 69 days of spot history, with strength and proximity data.

Returns ETH/USD order book depth, spread, and imbalance metrics aggregated across 5 exchanges, delivered as an Ed25519-signed attestation

Returns a cryptographically signed (Ed25519) EUR/USD exchange rate attestation

Returns aggregated DeFi protocol metrics — TVL, average supply APR, and utilization — across Aave, Compound, Morpho, Spark, Sky, and more, with Ed25519 signed attestation.

Returns the next 30 days of high and medium impact macroeconomic events for US, EU, GB, JP, and CN with actual vs estimate figures, delivered as an Ed25519-signed attestation.

Returns normalized LLM inference pricing across 6 providers and 26 models in $/M tokens, delivered as an Ed25519-signed attestation

Returns deterministic, Ed25519-signed BTC/USD price-structure attestation combining pivot, density, and round-number methods to identify support, resistance, and at-level zones with strength and proximity scores over 69 days of spot history.

Returns the annualized GDP growth probability distribution derived from Kalshi prediction markets, including expected value, entropy, and per-period implied distribution, with an Ed25519 signed attestation.

Returns the current US Federal Funds Rate as an Ed25519-signed cryptographic attestation

Returns current Groq model pricing (input/output cost per million tokens and context window sizes) with Ed25519 signed attestation

Returns Together AI model pricing data (input/output cost per million tokens, context window sizes) with Ed25519 signed attestation for verifiability

Returns BTC perpetual funding rate history per exchange over the past 18 days, with optional exchange filtering, delivered as a batch Ed25519-signed attestation

Returns a comprehensive list of 2000+ BTC options contracts across 106 strikes and 11 expiries from 3 exchanges, with Ed25519 signed attestation

Returns Ed25519-signed BTC/USD swing-pivot price levels (support, resistance, at-level) with strength and proximity scores derived from 69-day spot price history.

Returns the same-day BTC price distribution derived from Polymarket prediction markets, including median, quantiles (p10–p90), and entropy, delivered as an Ed25519-signed attestation.

Returns aggregated SOL/USD open interest data across 5 exchanges with an Ed25519 cryptographic attestation

Returns 63 days of MSVI volatility index history for ETH/USD with per-row Ed25519 signed attestations

Returns the current US Treasury yield curve spread (10-year minus 2-year) as a cryptographically signed Ed25519 attestation

Returns the MSVI (Mycelia Signal Volatility Index) for BTC/USD as a cryptographically signed Ed25519 attestation

Returns the best current A100 SXM GPU rental price across all sources, delivered as an Ed25519-signed attestation

Returns the current SOL/JPY spot price as an Ed25519-signed attestation, aggregated from Japanese crypto exchanges.

Returns Ed25519-signed ETH/USD price dwell levels — support, resistance, and at-level zones with strength and proximity scores derived from 69 days of spot history

Returns Ed25519-signed support, resistance, and at-level density attestations for SOL/USD based on 69-day spot price history, including strength and proximity metrics.

Returns the current Bitcoin to Japanese Yen spot price as a cryptographically signed Ed25519 attestation

Returns the current ETH/EUR spot price as a cryptographically signed Ed25519 attestation

Returns the current GBP/JPY exchange rate as a cryptographically signed Ed25519 attestation aggregated from multiple financial data sources

Returns the ETH/USD futures carry curve and term structure aggregated across Deribit, OKX, and Bybit, delivered as an Ed25519-signed attestation

Returns the BTC/USD spot-futures basis and annualized carry rate aggregated across 5 exchanges, delivered as an Ed25519-signed attestation.

Returns the Volume-Weighted Average Price (VWAP) of ETH/USD as a cryptographically signed Ed25519 attestation

Returns the next 30 days of US macroeconomic event releases as an Ed25519-signed attestation for oracle-driven applications

Returns upcoming Federal Reserve FOMC meeting dates with cryptographically signed attestations for use in interest rate and bond trading strategies.

Classifies the current equity market regime (RISK_ON/NEUTRAL/STRESS/PANIC) using MESI, MNVI, and US yield curve signals, with confidence score and dominant signal identification, delivered as an Ed25519-signed attestation.

Returns the next 8 Deribit ETH options expiry dates tagged as weekly, monthly, or quarterly, with an Ed25519 signed attestation

Returns the next 8 Deribit BTC options expiry dates tagged as weekly, monthly, or quarterly, with Ed25519 signed attestation

Returns a signed composite equity market regime score (-100 to +100) combining health and stress sub-indices, classifying the market into one of seven regimes (RISK_ON to STRESS)

Returns consensus ETH/USD options Greeks aggregated across 1822+ options on 3 exchanges, with Ed25519-signed attestation

Returns the current DXY US Dollar Index value as a cryptographically signed (Ed25519) attestation

Returns a cryptographically signed Ed25519 attestation of the current USDC/USD peg price from the Mycelia Signal oracle

Returns the MSVI (Mycelia Signal Volatility Index) for ETH/USD as a cryptographically signed Ed25519 attestation

Returns the best current rental price for NVIDIA L40S GPUs across all cloud/compute providers, delivered as an Ed25519-signed attestation

Returns the best available USDC supply yield rate across all DeFi protocols and chains, signed with Ed25519 attestation

Returns Ed25519-signed SOL/USD price structure attestation — support, resistance, and at-level signals with strength and proximity, derived from 69-day spot history using pivot, density, and round-number methods with cross-method corroboration.

Returns Ed25519-signed BTC/USD price dwell levels (support, resistance, at-level) with strength and proximity scores derived from 69 days of spot price history.

Returns Ed25519-attested SOL/USD support and resistance swing-pivot levels derived from 69 days of spot price history, with strength and proximity scores.

Returns the Gatheral 2004 SVI arbitrage-free implied volatility surface for BTC/USD with smooth smile interpolation, delivered as an Ed25519-signed attestation

Returns an arbitrage-free fitted implied volatility surface (SVI parametrization) for ETH/USD across all expiries, with Ed25519 signed attestation

Returns the current US Consumer Price Index (CPI) value as a cryptographically signed Ed25519 attestation for on-chain or trust-minimized use.

Returns Ed25519-signed attestations of BTC/USD psychological round-number price levels (support, resistance, at-level) with strength and proximity scores derived from 69 days of spot history.

Returns Ed25519-signed OHLCV historical spot price data for BTC/USD across multiple timeframes (1m, 5m, 1h, 4h, 1d) for up to 60 days

Returns the best (lowest) current H100 SXM GPU rental price aggregated across all cloud/compute sources, with an Ed25519 signed attestation for verifiability

Returns the current US unemployment rate as an Ed25519-signed cryptographic attestation

Returns 18 days of ETH perpetual funding rate history across multiple exchanges, with optional per-exchange filtering, delivered as an Ed25519-signed attestation.

Returns per-strike implied volatility for BTC/USD across 3 exchanges with cross-exchange divergence detection and mispricing alerts, signed with Ed25519 attestation

Returns BTC liquidation flow data across 1h/4h/24h windows with long/short breakdown, dominant side, and largest liquidation event, signed with Ed25519

Classifies Bitcoin market liquidity into DEEP/NORMAL/THIN/FRAGILE regimes using funding rates, open interest, basis, liquidation flow, and orderbook imbalance, returned as an Ed25519-signed attestation.

Returns a net equity sector rotation score across 11 SPDR ETFs, classifying Offensive, Cyclical, and Defensive sectors with top leaders/laggards, signed via Ed25519 attestation.

Returns a 0-100 composite volatility index for the Nasdaq-100 (NQ), combining NDX realized volatility, VIX term structure, vol beta, VVIX, and NDX momentum, with Ed25519-signed attestation.

Returns real-time BTC/USD liquidation flow data aggregated across 4 exchanges, with imbalance metrics and clustering analysis, delivered as an Ed25519-signed attestation

Returns the best current H200 GPU rental price across all cloud/compute providers, with an Ed25519 signed attestation for verifiability.

Returns the best current USDT supply yield rate across all DeFi protocols and chains, delivered as an Ed25519 signed attestation

Returns aggregated ETH/USD open interest data across 5 exchanges as a cryptographically signed (Ed25519) attestation

Returns the current ETH/JPY spot price as an Ed25519-signed cryptographic attestation

Returns a 15-signal market snapshot covering 4 indices, funding rates, open interest, liquidation flow, price, VWAP, basis, and economic calendar — Ed25519 signed, 60s cache

Returns the latest US Personal Consumption Expenditures (PCE) inflation data as a cryptographically signed Ed25519 attestation

Returns a 0-100 composite equity stress index combining VIX, VVIX, IV/RV ratio, credit stress, and DXY momentum, with Ed25519-signed attestation and 300-second cache.

Returns the current SOL/USD spot price as an Ed25519-signed cryptographic attestation for on-chain or verifiable use

Returns 60 days of MSXI sentiment index history for BTC/USD, including regime classification, component breakdowns, confidence scores, and per-row Ed25519 signed attestations.

Returns the current gold price in Japanese Yen (XAU/JPY) as a cryptographically signed Ed25519 attestation

Returns the cheapest GPU instance price per model aggregated across all cloud/compute sources, with Ed25519 cryptographic attestation

Returns the current SOL/EUR spot price as a cryptographically signed Ed25519 attestation

Returns ETH liquidation flow data across 1h/4h/24h windows with long/short breakdown, dominant side, and largest liquidation event, delivered as a signed attestation.

Returns a 10-signal market regime classification for ETH perpetual futures, including directional bias, confidence score, and risk level, with Ed25519-signed attestation.

Returns a cryptographically signed (Ed25519) attestation of the current EUR/GBP exchange rate

Returns the current perpetual futures market regime for BTC/ETH/SOL along with how long it has persisted, its historical percentile rank, and estimated remaining duration based on historical medians.

Returns the current EUR/CHF exchange rate as an Ed25519-signed cryptographic attestation

Returns the current CHF/JPY exchange rate as a cryptographically signed Ed25519 attestation

Returns real-time SOL/USD liquidation flow data aggregated across 4 exchanges, delivered as an Ed25519 signed attestation

Returns the best current WETH supply yield rate across all DeFi protocols and chains, delivered as an Ed25519-signed attestation

Returns the current USD/JPY exchange rate as a cryptographically signed (Ed25519) price attestation

Returns a cryptographically signed (Ed25519) composite funding rate for the SOL/USD perpetual futures market

Returns SOL liquidation flow data across 1h/4h/24h windows with long/short breakdown, dominant side, and largest liquidation event, delivered as an Ed25519-signed attestation.

Returns cryptographically signed (Ed25519) current pricing for Cerebras inference models, including input/output cost per million tokens and context window sizes.

Returns today's high and medium impact economic event releases as an Ed25519 signed oracle attestation

Returns the latest US Core CPI (Consumer Price Index excluding food and energy) as a cryptographically signed Ed25519 attestation

Returns the current Optimism network gas price as an Ed25519-signed attestation

Returns risk-adjusted DeFi yield opportunities ranked by stress- and contagion-penalized APR across 15+ protocols, with Ed25519-signed attestation

Returns the current Solana network gas price as an Ed25519-signed cryptographic attestation

Returns a cryptographically signed (Ed25519) attestation of the current USDT/USD peg price

Returns the next 30 days of Eurozone macroeconomic event releases as an Ed25519-signed attestation, suitable for oracle-driven smart contracts and automated trading systems.

Returns the current EU unemployment rate as a cryptographically signed (Ed25519) attestation, suitable for on-chain or trust-minimized use.

Returns Ed25519-signed OHLCV candlestick history for ETH/USD spot price across multiple timeframes (1m, 5m, 1h, 4h, 1d) for up to 60 days

Returns a cryptographically signed (Ed25519) attestation of the current MSSI market stress index value

Returns Aave V3 protocol metrics including TVL and average supply APR across all chains with a full rate breakdown, delivered as an Ed25519-signed attestation

Detects and quantifies disagreement between crypto and traditional finance market regimes, returning a signed divergence level with direction, signals, and contagion flag.

Returns the last 20 macro economic data releases with actual vs estimate deviations (surprise index) for US, EU, GB, JP, and CN, with Ed25519 signed attestation

Returns Morpho protocol metrics including TVL and average supply APR across all markets, delivered as an Ed25519 signed attestation

Returns the current spot price of copper as a cryptographically signed Ed25519 attestation

Returns Bybit-native options Greeks (delta, gamma, theta, vega, etc.) for 246+ SOL/USD options contracts, with Ed25519 signed attestation

Returns a cryptographically signed (Ed25519) attestation of the current EUR/CNY exchange rate

Returns current sea state conditions at a given latitude/longitude, delivered as an Ed25519 signed attestation

Returns Compound V3 protocol metrics (TVL, utilization rate, average supply APR) as an Ed25519-signed attestation for oracle-grade use.

Returns the current Arbitrum network gas price as a cryptographically signed Ed25519 attestation

Returns the current spread between Kalshi and Polymarket prediction markets on BTC price and Fed rate, with a significance regime label (DIVERGENT/MODERATE/ALIGNED), signed with Ed25519

Returns Kalshi-derived CPI month-over-month change probability distribution including expected value, entropy, and per-period implied distribution, with Ed25519 signed attestation

Returns the current DOGE/USD spot price as an Ed25519-signed cryptographic attestation

Returns the current EUR/JPY exchange rate as a cryptographically signed Ed25519 attestation

Returns the current USD/CHF (US Dollar to Swiss Franc) exchange rate as a cryptographically signed Ed25519 attestation

Discovers and lists available SOL (Solana) options instruments across exchanges with Ed25519 signed attestation

Returns 56 days of historical MSTI (Market Stress/Contagion Index) data with per-row component breakdowns including correlation, equity vol, DXY, credit, and beta signals, with Ed25519 signed attestation.

Returns Ed25519-signed attestation of ETH/USD psychological round-number support, resistance, and at-level price structure derived from 69-day spot history, with strength and proximity metrics.

Returns a cryptographically signed (Ed25519) attestation of the current CHF/CAD exchange rate

Returns the SOL/USD futures term structure (forward curve across expirations) as an Ed25519-signed cryptographic attestation

Returns a 0-100 composite index scoring current equity market leadership across five axes: Growth vs Value, Tech vs Market, Small vs Large, Offensive vs Defensive, and Cyclical vs Defensive — Ed25519 signed and cached 300s.

Returns a cryptographically signed (Ed25519) BTC/USD spot price from the Mycelia Signal price oracle

Returns the best available RTX 4090 GPU price across all sources, delivered as an Ed25519-signed cryptographic attestation

Returns the current ETH/USD basis and carry rate as a cryptographically signed Ed25519 attestation

Returns the best WBTC supply yield available across all DeFi protocols and chains, delivered as an Ed25519-signed attestation

Returns the current EU GDP figure as a cryptographically signed (Ed25519) attestation

Returns the latest EU employment data as an Ed25519-signed cryptographic attestation for on-chain or verifiable use

Returns the latest EU Core Harmonised Index of Consumer Prices (HICP) figure as a cryptographically signed Ed25519 attestation

Aggregates BTC/ETH/SOL perp, TradFi, MSSI, MSTI, and Macro Risk signals into a single cryptographically-attested market regime alignment score with STRONG/MODERATE/WEAK/CONFLICTED rating and dominant theme.

Scans BTC, ETH, and SOL perpetual futures regimes simultaneously and returns the highest-confidence trading setup with signal alignment, edge, invalidation conditions, and market bias

Returns 56 days of historical MSSI (Mycelia Signal Stress Index) data with per-row Ed25519-signed attestations, decomposed into volatility, stablecoin, funding, and dispersion components

Returns 60 days of MSXI (MyeliaSignal sentiment index) historical data for ETH/USD, with per-row Ed25519 cryptographic signatures for attestation.

Returns a cross-domain macro risk score (0-100) with a categorical risk regime (LOW/MODERATE/ELEVATED/HIGH/CRITICAL) combining sentiment, technical, and economic calendar signals, delivered as an Ed25519-signed oracle attestation.

Returns the Harmonised Index of Consumer Prices (HICP) for EU services sector, delivered as a cryptographically signed Ed25519 attestation.

Returns the current GBP/CHF exchange rate as a cryptographically signed Ed25519 attestation

Returns a cryptographically signed (Ed25519) attestation of the current CNY/JPY exchange rate

Returns the current EUR/CAD exchange rate as a cryptographically signed Ed25519 attestation

Returns Ed25519-signed attestations of Fireworks AI model pricing including input/output cost per million tokens and context window sizes

Returns a 10-signal trading regime classification for BTC perpetual futures, including market bias, confidence score, and risk level, with signals like SQUEEZE_SETUP, LONG_TRAP, and VOLATILITY_SPIKE.

Returns the latest BTC CME Commitments of Traders (COT) positioning data as an Ed25519-signed attestation

Returns aggregated BTC/USD open interest across 5 exchanges with 1h, 4h, and 24h deltas, delivered as an Ed25519-signed cryptographic attestation

Discovers and lists ETH options instruments across 3 exchanges with Ed25519 signed attestation

Detects market regime transitions in BTC, ETH, and SOL perpetuals futures compared to 2 hours ago, returning from/to regime labels and whether directional bias changed.

Returns the current XRP/USD spot price as a cryptographically signed (Ed25519) attestation

Returns the current Base network gas price as an Ed25519-signed cryptographic attestation

Returns a 10-signal trading regime classification for SOL perpetual futures, including directional bias, confidence score, and risk level, with Ed25519-signed attestation.

Returns a cryptographically signed (Ed25519) attestation of the current USD/CNY exchange rate

Returns the current SOL/USD basis and carry metrics as an Ed25519-signed cryptographic attestation

Returns a cryptographically signed (Ed25519) cross-chain gas index aggregating gas price data across multiple blockchain networks.

Returns the current US GDP figure as an Ed25519-signed attestation for on-chain or verifiable use

Returns the latest EU Harmonised Index of Consumer Prices (HICP) reading with a cryptographic Ed25519 signed attestation

Returns a cryptographically signed (Ed25519) attestation of the current natural gas spot price or index value

Returns the best DAI supply yield rate available across all DeFi protocols and chains, delivered as an Ed25519-signed attestation

Returns the current USD/CAD exchange rate as an Ed25519-signed price attestation

Returns a cryptographically signed (Ed25519) index measuring contagion risk between cryptocurrency markets and traditional finance (TradFi) markets.

Returns the cheapest LLM provider and pricing for each tier (frontier, efficient, fast, reasoning) across all major providers, with an Ed25519-signed attestation

Returns a cryptographically signed (Ed25519) attestation of the current CAD/JPY exchange rate

Returns real-time ETH/USD liquidation flow data aggregated across 4 exchanges, delivered as an Ed25519-signed cryptographic attestation

Returns a cryptographically signed Ed25519 attestation of the current CNY/CAD (Chinese Yuan to Canadian Dollar) exchange rate

Returns the current GBP/USD exchange rate as a cryptographically signed Ed25519 attestation

Returns the current GBP/CNY exchange rate as a cryptographically signed Ed25519 attestation

Returns a cryptographically signed (Ed25519) USDT/JPY derived price attestation

Returns a cryptographically signed (Ed25519) voyage weather forecast attestation for marine navigation planning

Returns the signing public key, payment address, facilitator details, and per-endpoint pricing for the Mycelia Signal oracle service

Returns a cryptographically signed (Ed25519) summary of current sea state conditions along a marine route

Returns a cryptographically signed recommendation for the best and cheapest LLM suited to reasoning tasks, with Ed25519 attestation.

Returns a cryptographically signed (Ed25519) recommendation for the best cheap, fast LLM suited for chat tasks, allowing agents to compare models by cost-efficiency tier.

Returns a cryptographically signed attestation identifying the best LLM for long-context tasks based on the largest context window, with Ed25519 signature.

Returns current OpenAI model pricing (input/output cost per million tokens and context windows) with an Ed25519 signed attestation

Returns the Solana (SOL/USD) implied volatility surface (SVI) as an Ed25519-signed attestation