Bitcoin nears $66K as U.S.–Iran deal lifts crypto sentiment

Bitcoin climbed to $65,803 over the weekend, a 2.43% gain, as improving geopolitical conditions — specifically reports of a U.S.–Iran agreement — lifted risk appetite across crypto markets. Ethereum followed with a 2.63% rise to $1,719, while total crypto market cap reached $2.32 trillion.

The macro backdrop is doing the heavy lifting here. BTC dominance held at 56.7%, and the Altcoin Index sits at 49/100, suggesting the broader market is cautiously warming but not yet rotating aggressively into risk. The Fear & Greed Index remains at 20 — Extreme Fear — which historically has marked accumulation zones rather than distribution tops.

Why it matters

Geopolitical de-escalation is one of the cleaner macro tailwinds for risk assets, and crypto tends to reprice quickly when that pressure lifts. The U.S.–Iran development removed a layer of uncertainty that had been weighing on sentiment, and the weekend move in BTC reflects that repricing. With dominance above 56%, Bitcoin is still the primary vehicle for that inflow — altcoins are not yet the beneficiary.

Market impact

Small-cap tokens saw outsized weekend moves: Puffer Finance surged 76.6%, Asteroid Shiba 75.1%, and DeepNodeAI 64.6%, pointing to speculative appetite returning at the margins. On the funding side, Messari closed an M&A round backed by Blockworks, Siiibo Securities raised $13M in an M&A round backed by Metaplanet, and Shopagentic closed a $2.2M pre-seed led by Greenfield Capital — a reminder that infrastructure capital keeps flowing regardless of short-term price action.

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