Institution: Crypto Card Monthly Spending Reaches $600 Million, Up Over 6x Year-Over-Year
May 3 data from Memento Research shows monthly spending via cryptocurrency debit cards has hit $600 million—up more than sixfold over the past year.
The report notes total on-chain transaction volume through crypto cards has reached $7.2 billion, encompassing roughly 24 million transactions and 1.36 million wallet addresses. Of these, about 62.5% of transactions used USDT, while some $348 million in volume occurred on the Solana network.
Additionally, Jupiter’s subsidiary Jupiter Global saw over 660% month-over-month growth in its crypto card business, with cashback rates of 4% to 10% on select purchases. The report also points out that roughly 90% of crypto card payments are ultimately settled via Visa.
Memento Research stated that stablecoins are increasingly emerging as the underlying settlement infrastructure for the global consumer payments ecosystem.
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Reuters: Founder of Iran's largest cryptocurrency exchange Nobitex linked to Supreme Leader's family
Per a Reuters investigation, Iran’s largest cryptocurrency exchange Nobitex was founded by brothers Ali and Mohammad Kharrazi. The pair used the alias “Aghamir” for company registration and operations to downplay their ties to Iran’s influential Kharrazi family.
The Kharrazi family has long had close ties to Iran’s Supreme Leader system, including links to Ali Khamenei and his heir apparent Mojtaba Khamenei. The brothers’ grandfather was a member of the Assembly of Experts (which appoints the Supreme Leader) and a mentor to Mojtaba; their father helped establish Iran’s political group Hezbollah and played a role in forming the Islamic Revolutionary Guard Corps (IRGC).
Nobitex currently has over 11 million users and continues operating even amid nationwide internet shutdowns and periods of conflict in Iran. Analysts estimate the platform processed more than $100 million in crypto transactions during the conflict, with a large portion of funds flowing overseas.
Blockchain analyt
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Analysis: Whale Continues to Accumulate Bitcoin, 10-100K BTC Wallets Increase Holdings by About 41K BTC in Two Weeks
On May 3, cryptocurrency lending platform Nexo said in a post that the number of wallets holding **100+ BTC** is steadily increasing—signaling "smart money" is flowing back into the Bitcoin market.
Data shows addresses holding between 10 and 10,000 BTC have accumulated roughly 41,000 BTC over the past two weeks. Meanwhile, Bitcoin’s price has surged above its "True Market Mean" average ($78,100) for the first time since January this year.
Market analysts note that ongoing accumulation by large on-chain addresses may reflect a rebound in risk appetite among institutions and long-term holders.
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Opinion: Bitcoin Should Not Compromise Security by "Confiscating Satoshi's Holdings," Even in the Face of Quantum Computing Threat
On May 3, Galaxy Digital’s Head of Research Alex Thorn published an article noting that after discussions in Las Vegas with Bitcoin developers, researchers, and quantum computing proponents, the industry is gradually reaching a partial consensus on the “Quantum Computing and Bitcoin” issue.
Thorn said the majority view supports leaving Satoshi Nakamoto’s early P2PK addresses untouched—arguing this could undermine Bitcoin’s core property rights principle. He noted Satoshi holds roughly 1.1 million BTC spread across 22,000 addresses, not in a single “super vault”; the main large-value risk comes from entities like exchanges, which can proactively upgrade to quantum-resistant addresses.
He also stated the industry broadly backs early research into Bitcoin’s post-quantum cryptography (PQC) schemes—including development, testing, signature aggregation, and protocol discussions. Even if this work ends up just being kept as a backup, it’s meaningful, he added.
However, Thorn cautione
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Next Week Macro Outlook: US-Iran at Another Crossroads! Non-Farm Payrolls Unlikely to Help Gold Break the Stalemate
**May 3**
U.S. President Trump on Friday accused Tehran’s leadership of being divided, hindering progress on a deal to end the nine-week-old conflict that’s sparked a global energy crisis. He said he couldn’t agree to Iran’s “request,” but some traders saw this as a negotiation tactic—not a full abandonment of peace efforts.
Separately, reports that Tehran sent a new proposal to Washington via Pakistan also helped push oil prices lower. Iranian Foreign Minister Hossein Amir-Abdollahian (per original text: “Aragchi”) said Iran is ready to keep up diplomatic efforts with the U.S., but added its armed forces remain “highly vigilant.” WTI crude dropped nearly 3% on Friday, settling around $103 a barrel, while posting a roughly 7% weekly gain. The S&P 500 extended its record rally Friday, notching its fifth straight week of gains, boosted by strong earnings from tech giants.
**Upcoming U.S. Economic Data**
- Wednesday, 8:15 p.m.: April ADP Employment Change
- Thursday, 7:30 p.m.
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