Circle Rolls Out cirBTC to Pull Bitcoin Into DeFi—Trust Is the Real Battleground

Circle unveils cirBTC, a 1:1 Bitcoin wrapper debuting on Ethereum and Arc, targeting institutional trust and DeFi utility. It enters a field led by WBTC (~$8B) and cbBTC (~$6B).

Naoris Rolls Out NIST-Standard Post‑Quantum Blockchain as Bitcoin and Ethereum Weigh Their Own Upgrades

Naoris launches a NIST-standard post-quantum blockchain using ML-DSA while Ethereum and Bitcoin pursue quantum-resilient paths like BIP-360—putting migration choices front and center.

Quantum-Powered Mining Debuts on Quip Network—Just Not for Bitcoin

Postquant Labs launches Quip Network, a public quantum‑classical mining testnet using D‑Wave’s Advantage2 annealers and Ising optimization. It pays in QUIP to rent quantum time and tracks progress toward “Q‑Day.”

Metaplanet Jumps to #3 Bitcoin Treasury After Adding 5,075 BTC in Q1—But Watch Its “BTC Yield” Playbook

Tokyo-listed Metaplanet bought 5,075 BTC in Q1 2026 for $405M, lifting holdings to 40,177 BTC. It now ranks third after MARA’s sale—but its self-defined “BTC yield” is the real tell.

Hormuz Uncertainty Triggers Risk-Off: Bitcoin Sells, Oil Spikes as Trump Vows to Hit Iran “Extremely Hard”

Bitcoin slid to $66.3K as oil jumped to $107 after Trump’s Iran address. $386M in crypto liquidations and a $296M weekly ETF outflow underscore fragile risk appetite.

Quantum Computing and Bitcoin: Why Migration Timing Matters More Than Math

Google and Caltech cut resource estimates to crack elliptic-curve cryptography. With ~10% odds by 2030–2032, the real Bitcoin and Ethereum risk is upgrade timing and coordination.

Bitcoin takes a risk-off tilt as Easter liquidity thins, K33 flags defensive positioning

Bitcoin traders are leaning defensive into the typically low-volume Easter window, per K33. Thin books can magnify moves—why pros de-risk and how to navigate the gap risk.

Bitcoin miner Cango raises $75M as NYSE listing pressure builds on weak share price

Cango secures $75M via strategic capital and a convertible note while facing NYSE delisting risk tied to a low stock price. The financing’s structure will dictate market reaction.

Altcoin Rotation Ignites as Bitcoin Nears $70K; Algorand, Stable, Morpho Lead on Rebalance-Fueled Rally

Bitcoin pressed toward $70K while Algorand, Stable, and Morpho jumped double digits. Rebalancing and softer geopolitics spurred a $326M wipeout, but prediction markets stay cautious.

New Hampshire to issue $100M bitcoin‑backed bond; Moody’s flags speculative risk as BitGo named liquidation agent

A New Hampshire authority plans a $100M bitcoin‑backed bond rated speculative by Moody’s, with BitGo tasked to custody BTC and sell collateral to fund interest and principal.