September 21, 2026
Crypto

PYUSDx reaches $100M as M0 CEO explains business stablecoin model

PayPal, M0, and MoonPay have publicly launched PYUSDx after three products processed about $100 million through the business stablecoin platform. Summary PYUSDx lets businesses issue programmable tokens backed one-to-one by PayPal USD. Saturn, Concrete, and Cap have processed about $100 million across three live products. Businesses can control token policies and allocate revenue generated by

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Ethereum

Checkpoint #6: Oct 2025 | Ethereum Foundation Blog

Ethereum’s weekly All Core Developer calls are a lot to keep up with, so this “Checkpoint” series aims for high-level updates roughly every 4-5 weeks, depending on what’s happening in core development. See the previous update here. tl;dr: The Fusaka upgrade is nearly out the door and we’ll get a very good idea of “wen”

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Bitcoin

The Quantum Issue: WTF Is Quantum Computing?

What is quantum computing? How is a quantum computer different from a regular computer? What relevance does this have to Bitcoin? New Bitcoiners have been inevitably bumping into these questions and having to confront the issues they dredge up regarding Bitcoin’s exposure to what is very much an existential threat to its existence if a

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Crypto

Robinhood asset pages send JUGGERNAUT up 500%

Robinhood has added searchable asset pages for JUGGERNAUT and FRONG, helping the Robinhood Chain meme coins climb as much as 500% and 130%, respectively, despite neither token being available for spot trading on Robinhood Crypto. Summary JUGGERNAUT surged more than 500% within an hour before trimming part of the gain. FRONG climbed nearly 130% and

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Ethereum

Privacy Cluster Leadership Announcement | Ethereum Foundation Blog

Today we are proud to announce a new leadership structure for privacy-related efforts at the Ethereum Foundation: Igor Barinov joins as coordinator of Privacy @ EF, guiding strategy and alignment across privacy-focused efforts including PSE and more. Igor has over a decade of experience in the Ethereum ecosystem as founder of Blockscout, Gnosis Chain, and

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Bitcoin

Alby Hub Flaw and Nomic Exploit Put Funds at Risk

Alby confirms a critical Hub vulnerability in older versions, while a Nomic chain exploit lets an attacker double-spend nBTC on Osmosis. Two separate security incidents hit the Bitcoin and IBC ecosystems this week. Alby confirmed a critical vulnerability in its self-hosted Hub software that could let an attacker drain funds from exposed nodes. Around the

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Crypto

Zcash price holds above $1,200 as sell signal appears

Zcash price traded near $1,216 on Sep. 10 after a seven-day rally of more than 50%, but overbought momentum, a three-day sell signal and nearby liquidation clusters raised the risk of a pullback. Summary Zcash price advanced from about $814 to a multi-year high near $1,257 during the seven-day period. Daily RSI reached 75.72, keeping

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Ethereum

The Ethereum Foundation’s Commitment to Privacy

Privacy is the freedom to choose what you share, when you share it, and who you share it with. We all take this for granted in daily life: closing the door to a room, casting a secret ballot, or speaking privately with a friend. But online and onchain, these protections are often missing. Ethereum was

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Crypto

Bitcoin price eyes $72K after bearish MACD crossover

Bitcoin price extended its decline below $78,000 on Sept. 10 as fading momentum, elevated Treasury yields and caution before U.S. inflation data kept buyers on the sidelines. Summary Bitcoin price fell to an intraday low of $77,688 after failing to hold above $78,000. Daily MACD momentum turned bearish, while RSI retreated from near-overbought levels. Liquidation

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Bitcoin

BIP-110 and Bitcoin’s High Bar for Consensus Change

Bitcoin’s temporary soft-fork proposal, BIP-110, has struggled to attract broad support, but its significance extends beyond whether it is ultimately implemented. Supporters see the proposal as a principled defence of Bitcoin’s monetary purity against growing non-payment data use, while critics see a risky intervention that could threaten chain continuity, neutrality and economic coordination. For institutions,

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