Bitcoin Devs Schedule OP_RETURN Change

Alpha Team
June 09, 2025

Bitcoin Core Plans OP_RETURN Shift for Oct

OP_RETURN Limit Increase: Bitcoin Core developers plan to raise the OP_RETURN data limit from 80 bytes to nearly 4MB in October 2025, with version 30. Developer Gloria Zhao announced the change, which will allow more non-financial data, such as text or metadata, on the Bitcoin blockchain. This adjustment could enable new applications, like storing additional information on-chain. The proposal has sparked significant debate within the Bitcoin community, raising questions about its implications.

Community Debate Grows: The 4MB OP_RETURN proposal has divided the community. Developer Luke Dashjr called it “irresponsible,” warning it could burden nodes. BitcoinMechanic labeled it “incoherent” on X, echoing critics. Protos reports 8.3% of nodes run Bitcoin Knots, which may not adopt the change. Discussions on X and GitHub focus on technical concerns, like node performance, and philosophical issues about Bitcoin’s purpose, highlighting the contentious nature of the update.

Node Operator Choices: Node operators can choose to keep the 80-byte OP_RETURN limit, but most run default settings and may adopt the 4MB limit. Operators must assess their systems to decide. Protos advises following X or news outlets for updates on version 30’s rollout. Stay informed to monitor developments and community feedback on this change. Read More.

️ On today's Top Picks:

🤝 BiT Global drops lawsuit against Coinbase $COIN.
💰 Plasma reaches $500M deposit cap for $XPL.
💸 Strategy $MSTR buys an additional 1,045 $BTC.
🔑 Turnkey raises $30M Series B led by Bain Capital Crypto.

Read time: ⏰ 5 minutes

Crypto News

• ⭐️ Bitcoin $BTC Core devs schedule OP_RETURN change for October; increases data carrier limit from 80 bytes to ~4MB.

• Bitcoin $BTC network transaction activity reaches lowest level since October 2023; miners now looking for transactions paying below the typical relay floor of 1 sat/vB.

• ⭐️ BiT Global drops lawsuit against Coinbase $COIN; BiT Global sued Coinbase in December for delisting WBTC; Coinbase Chief Legal Officer Paul Grewal says the exchange has “zero plans” to relist WBTC.

• Argentina's Anti-Corruption Office clears President Javier Milei of ethics violations over his promotion of $LIBRA; ruled his personal post wasn't an official endorsement.

• Digital Asset Investment Products saw $224M of net inflows last week; Bitcoin $BTC $56.5M outflows, Ethereum $ETH $296.4M inflows, Solana $SOL $2.09M outflows, $XRP $3.96M outflows.

Alpha

• ⭐️ Plasma reaches $500M deposit cap for $XPL sale; 1,100+ wallets participated with a median deposit of ~$35K.

• Farcaster distributes Pro OG NFT; the first 10K subscribers to Farcaster Pro are eligible.

• Namada $NAM launches proposal to begin phase 5; if passed, NAM transfers to be enabled by June 13th.

• SatLayer launches the SatLayer Litepaper; to potentially launch TGE & airdrop soon.

Airdrops

• Weekly Airdrop Recap (June 7th) by Earndrop.

• Sonic to end $S airdrop season 1 on June 18th; to launch season 2 immediately after; to finish anti-sybil review in a few weeks.

• Skate launches $SKATE airdrop claim; early users, Skate partners, Kaito yappers are eligible.

• ICYMI Weekly Airdrop Recap (May 23) by Earndrop.

• What Am I Farming Now by Alpha Drops.

Finance News

• US & China hold trade talks in London reportedly lasting ~6 hours; negotiations to resume tomorrow.

• ⭐️ Strategy $MSTR buys an additional 1,045 Bitcoin $BTC for ~$110.2M at ~$105,426 per BTC; now holds 582,000 BTC worth ~$64B.

• ProShares & Bitwise file for Circle $CRCL-based ETFs; CRCL went public on NYSE last week.

• Riot Platforms $RIOT sells 8.85M Bitfarms $BITF shares at a loss; Riot bought 90M BITF shares through 2024 for ~$202M.

• Key Events This Week by The Kobeissi Letter.

Security and Exploits

• Alex exploited for ~$8.37M due to flaw in token listing validation logic; to reimburse affected users with treasury.

• Paraguay President Santiago Peña's X account was compromised; hacker posted that Bitcoin $BTC had been declared legal tender in Paraguay.

• Google patches vulnerability that allowed researchers to brute-force any Google account's recovery phone number; unknown if flaw was ever maliciously exploited.

Token Unlocks

• Aptos $APT / ~$56M / JUN 12th
• Immutable $IMX / ~$13M / JUN 13th
Sourced from Tokenomist

Funding

• ⭐️ Turnkey raises $30M in Series B funding led by Bain Capital Crypto.

• Rise raises $4M in Strategic funding from Galaxy.

• Towns raises $3.3M in funding led by Coinbase Ventures through Echo.

• Polycule raises $560K in funding from Alliance.

• Reveel raises an undisclosed amount in Strategic funding from several investors.

The Degen Farmer

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PROTOCOL	ASSETS	APY
Spectra V2 (Ethereum)	CUSDO	91.95%
Curve DEX (Ethereum)	IDAIIUSDCIUSDT	75.20%
Peapods Finance (Ethereum)	USDC	67.38%
Synthetix V3 (Base)	USDC	36.35%
Merkl (Ethereum)	KPDUSDC	35.00%
FlowX V3 (Sui)	SBUSDTUSDC	29.52%
Uniswap V3 (Ethereum)	USDEUSDT	26.42%
Indigo (Cardano)	IUSD	25.37%

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That’s it for today’s edition! See you soon.

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