Non-custodial swap calldata for Base: give tokenIn, tokenOut, raw amountIn, slippage and recipient; we read Aerodrome and Uniswap V3 on-chain state, pick the max-output route, and return ready-to-sign transaction calldata plus the ERC-20 approval, amountOutMin, price impact and the venues compared. You sign with your own wallet — we never hold or move funds.

Crypto Fear & Greed index with a market-timing trend: current value and classification, 7-day and 30-day deltas, streak in the current regime, 30-day min and max, and a contrarian flag on extreme fear or greed. Keyless.

Bridge exploit track record: for one bridge, its hack history (incidents, total USD lost, funds returned, worst technique); with no bridge, a ranked leaderboard of every bridge hack by USD lost. Sourced from DefiLlama's hack dataset, joined and normalized by us.

Bitcoin mining hashprice: expected mining reward per petahash and per terahash per second per day, in BTC and USD, fused with the network hashrate, current difficulty, the next difficulty-retarget forecast and the block-subsidy and average-fee split. Informational, not advice.

Generate a QR code from any text or URL. Returns base64-encoded PNG.

Public-procurement record of a Spanish company from the Plataforma de Contratación del Sector Público (Ministry of Finance CODICE feeds, hosted profiles and aggregated regional platforms, since 2012): contracts WON matched by legal-person NIF — buyer (name, DIR3), subject, CPV, lot, result, award date, amounts in EUR, tenders received, SME flag — and notices ISSUED as a buyer; newest first, capped at 100. Never a natural-person winner. Reuse under the ministry's conditions.

Before/after satellite comparison of the same area on two dates from NASA GIBS true-color imagery (MODIS or VIIRS, about 250 m per pixel): one side-by-side JPEG with date labels plus pixel-based change metrics (share of changed pixels, brightness change) and a cloud, haze and snow estimate for each date, with a plain-language reading that says whether the change is likely real or just weather.

Email validation — syntax check plus live MX record DNS lookup to confirm deliverability.

Number of Addresses with Balance ≥ 100 — The number of unique addresses whose current native-asset balance is at least 100. Data by Glassnode.

Realized Profit — Realized Profit is the total profit (USD value) of all moved coins whose price at their last movement was lower than the price at the current movement. Data by Glassnode.

Number of Transfers — The total number of transfers. Data by Glassnode.

US Spot ETF Flows — An estimate of the daily net fund flow of the leading U.S.-listed spot Crypto ETFs, reflecting day-to-day changes in each ETF's holdings. Covers major Bitcoin ETFs (e.g. IBIT, GBTC, FBTC, ARKB, BITB) and Ethereum ETFs (e.g. ETHA, ETHE, FETH, ETHV, QETH) from issuers such as BlackRock, Grayscale, Fidelity, Bitwise, and VanEck. Data by Glassnode.

French company intelligence report for due diligence — ONE call, all blocks cross-referenced: identity, officers with OTHER public offices (network map), financials with multi-year trends, sector benchmarks, failure-risk score, BODACC, sanctions, FR/EU procurement, IP, Seveso/ICPE, AMF, lobbying, Egapro, establishments, INPI filings, live VIES. Closed-list risk signals, rule-based verdict, figures-first executive summary. Ed25519-signed report, provenance per block (official register + as-of).

Total Transfer Volume — The total amount of coins transferred on-chain. Data by Glassnode.

Total Supply in Loss — The circulating supply in loss, i.e. the amount of coins whose price at the time they last moved was higher than the current price. Data by Glassnode.

Net Realized Profit/Loss — Net Realized Profit/Loss is the net profit or loss of all moved coins, defined as Realized Profit minus Realized Loss. Data by Glassnode.

Realized Loss — Realized Loss is the total USD loss across all moved coins whose price at their last movement was higher than the price at the current movement. Data by Glassnode.

Total Supply in Profit — The circulating supply in profit, i.e. the amount of coins whose price at the time they last moved was lower than the current price. Data by Glassnode.

EU public procurement awards won by a company from Latvia, Lithuania, Norway, Belgium, Denmark, Finland, Sweden, Czechia, Slovakia or Estonia, from TED, matched by NATIONAL ID in each form: buyer, country, subject, notice-level amount, CPV, link, co-winners proven legal persons (others counted). 40-94% of award notices carry a readable winner ID: zero is non-conclusive. BE, CZ, DK, EE, LT, LV, NO, SK: legal persons only, else 404, not billed. Also FI off-list forms. Live TED, cache 24 h.

Hash text, strings, or UTF-8 payload data with SHA256, SHA384, or SHA512. Compute a cryptographic hash, checksum, or digest for payload integrity, content fingerprinting, cache keys, and verifying that data has not changed.