Blockchain & Web3 Weekly Bytes Edition #109

☁️ AWS Meets Chainlink, Pentagon Runs a Node, Morgan Stanley Backs Stablecoins

Apr 25, 2026

Hello Blockchain Enthusiast,

Chainlink data feeds are now available on AWS Marketplace. An admiral told Congress the US military runs a live Bitcoin node. Morgan Stanley launched a stablecoin reserves fund built for the GENIUS Act. DoorDash partnered with Tempo to enable stablecoin payouts in 40+ countries. All seven stories below.

TLDR – This Week at a Glance:

AWS / Chainlink: Data Feeds, Data Streams, and Proof of Reserve live on AWS Marketplace
US Military: Active Bitcoin node for network security testing, not mining
Morgan Stanley: Stablecoin reserves fund (MSNXX) aligned with GENIUS Act requirements
Tech Spotlight: Stablecoin reserve funds: what the GENIUS Act requires and why banks are racing in
Chart of the Week: Bitcoin Sharpe Ratio hits levels seen at past cycle bottoms
Affiliate Spotlight: Ledger : hardware-grade protection for long-term holders

🧠 Weekly Trivia

What was the maximum block size limit set in the original Bitcoin protocol by Satoshi Nakamoto?

A) 256 KB
B) 512 KB
C) 1 MB
D) 2 MB

*Answer revealed at the end 👇

📰 This Week’s Blockchain and Web3 Highlights

AWS Marketplace Adds Chainlink Data Standards: Chainlink’s Data Feeds, Data Streams, and Proof of Reserve are now available through AWS Marketplace. Millions of AWS developers can access Oracle infrastructure using familiar cloud tooling.

US Military Running a Bitcoin Node, Admiral Tells Congress: Admiral Samuel Paparo told lawmakers that INDOPACOM operates a live Bitcoin node for network security testing. Not mining.

Morgan Stanley Launches Stablecoin Reserves Fund: MSIM launched the Stablecoin Reserves Portfolio (MSNXX), a government money market fund for stablecoin issuers. Invests in cash and US Treasuries with maturities under 93 days. Maintains a $1 NAV.

DoorDash to Offer Stablecoin Payouts via Tempo: DoorDash is building a stablecoin payment infrastructure on Tempo for merchants and drivers in 40+ countries. Stripe, Coastal Bank, and ARQ are also putting stablecoin flows into production on Tempo’s network.

Coinbase Flags PoS Chains as Potential Quantum Risks: Coinbase’s advisory council (with Stanford and UT Austin researchers) warns that PoS validator signatures on Ethereum and Solana face longer exposure windows than PoW keys.

Cash App Launches Accounts for Kids 6-12, No Bitcoin: Block’s Cash App added managed accounts for children ages 6-12 with a 3.25% savings rate and parent-controlled debit cards. Bitcoin access is excluded until age 13+.

DeFi Groups Press SEC to Lock In Broker Guidance: The DeFi Education Fund and 30+ organizations asked the SEC to convert its April 13 staff statement (exempting non-custodial DeFi front-ends from broker-dealer registration) into formal rulemaking.

🔦 Tech Spotlight: How Stablecoin Reserve Funds Actually Work

Morgan Stanley launched a stablecoin reserves fund this week. State Street and Goldman Sachs have filed similar products. What is happening here is not asset management. It is plumbing.

The GENIUS Act requirement: The bill mandates that payment stablecoin issuers maintain 100% reserve backing in high-quality liquid assets. That means every dollar of USDC or USDT in circulation must have a corresponding dollar parked in cash, Treasury bills, or short-term government instruments. No fractional reserve. No lending against the collateral.

What a reserve fund does: Issuers need a vehicle to hold those assets at scale with daily liquidity, a stable $1 NAV, and regulatory compliance. A government money market fund fits. Morgan Stanley’s MSNXX invests in cash and US Treasuries maturing in 93 days or less. The issuer deposits reserve capital, the fund maintains the peg’s backing, and both sides get auditable proof of reserves.

Why banks are racing in: Stablecoin reserves represent a new class of institutional deposits. If supply keeps growing past $200B, reserve management becomes a meaningful fee line for banks that position early. The competition has nothing to do with yield. It comes down to who becomes the trusted counterparty between issuers and the Treasury market.

📊 Chart of the Week: Bitcoin Sharpe Ratio Hits Cycle-Bottom Territory

CryptoQuant’s short-term Bitcoin Sharpe Ratio has fallen to deeply negative levels last seen during the major bottoms of 2015, 2019, and 2023. BTC trades at ~$77,800 with a CryptoQuant Bull Score of 20/100. The ratio measures risk-adjusted returns: when it sinks this low, historical precedent shows the risk-reward has reset to levels seen before major recoveries.

Not a timing tool, but a signal that the kind of drawdown that builds long-term positioning is underway.

Source: CryptoQuant

😂 A Little Blockchain Humor Break 🤣

AWS listing Chainlink is a cloud meeting chain at the procurement layer. The Pentagon running a Bitcoin node reframes the asset as infrastructure. Morgan Stanley’s reserves fund shows Wall Street preparing for GENIUS Act demand before the bill even passes. And DoorDash bringing stablecoin payouts to 40 countries puts the technology inside a transaction most people already use.

✅ Trivia Answer: C) 1 MB

Satoshi Nakamoto added a 1 MB block size limit to Bitcoin in 2010 as an anti-spam measure. That limit became the center of the scaling debate that led to the Bitcoin Cash fork in 2017.

Back next Saturday with seven more. Thanks for reading.

Thank you,
Blockchain and Web3 Insights

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