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Coinbase to power stablecoin-backed cards for Marqeta customers

1 publisher(s) tracked. Independent verification remains incomplete. Routine single-source report; no generated explanation. Read the linked source.

Evidence strength Single source

Only one publisher so far. Another independent outlet or an official source would raise it.

ImportanceNormal

Routine report

UrgencyRoutine

No time pressure

Three separate rule-based signals. None is the probability that the report is true. How they work ↗

Key facts

Attributed sources: The Block

After site detection, observed returns were 5 minutes: -0.06% (difference from BTC -0.22 pp; 20/10/2026, 17:15 → 20/10/2026, 17:21, UTC+8; OKX · USDT); 1 hour: -0.65% (difference from BTC -0.88 pp; 20/10/2026, 17:15 → 20/10/2026, 18:17, UTC+8; OKX · USDT). Unlisted windows are unavailable.

Source published 17/10/2026, 01:21First received 20/10/2026, 17:15Updated 20/10/2026, 18:24

Claims and open questions

Original source links are available below. Independent verification is incomplete.

Routine single-source report: no generated explanation. Sources and market data remain available.

Source evidence

1
The BlockNews publisher
Coinbase to power stablecoin-backed cards for Marqeta customers ↗

www.theblock.co

Published 17/10/2026, 01:21 · Received 20/10/2026, 17:15

Original source titles remain in their source language. Full articles are not republished.

Market reaction after detection

Returns start at the sample closest to site detection (within the same minute up to 10 minutes later), using the same data source and quote currency. Actual sample times are shown; missing observations remain blank.

Observed returns after site detection
WindowReturnBTCDifference from BTC (pp)Actual sampled interval / source
5 minutes-0.06%+0.16%-0.22 pp20/10/2026, 17:15 → 20/10/2026, 17:21 (UTC+8)
OKX · USDT
1 hour-0.65%+0.24%-0.88 pp20/10/2026, 17:15 → 20/10/2026, 18:17 (UTC+8)
OKX · USDT
24 hours———Awaiting a complete valid window

Historical market context

Closed hourly candles from the 30 days before this event observation. Different venues are kept separate.

Prior 30-day hourly baseline
MetricValue
Hourly coverage99.9% (719/720)
Median absolute 1h return1.03%
99th percentile of absolute 1h returns8.79%
Historical hourly BTC beta1.55 (718 matched returns)

OKX · USDT · Context as of 20/10/2026, 17:15 · Last included candle closed 20/10/2026, 17:00

Hourly descriptive statistics, not minute-move probabilities. Backfilled history never moves the observation cutoff above.

Event timeline

Source publication, receipt and analysis times are separate. All times UTC+8.

  1. Source published: The Block

  2. Source received: The Block

  3. Event first detected by this site

  4. Evidence record updated

  5. Latest content update

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