BIP-361 Pitches Freezing Quantum‑Risk BTC as ETFs See Fresh Inflows, WLFI Backlash, and Allbirds’ AI Pivot

Bitcoin’s calm tape hides a hard question: how far should the network bend to preempt a quantum break? A new proposal, BIP-361, puts the trade-off in stark relief—protect exposed coins through coordinated protocol restrictions, or preserve absolute neutrality and accept residual tail risk.

The proposal, posted by Casa CTO Jameson Lopp with five co-authors, sketches a three-phase path to herd coins off legacy, quantum‑vulnerable addresses—and ultimately freeze any that refuse to move. Roughly 34% of all BTC sits in early Pay-to-Public-Key outputs with public keys already revealed, including an estimated 1.1 million BTC attributed to Satoshi. In a world where a fault‑tolerant quantum computer can run Shor’s algorithm at scale, those exposed keys become low-hanging fruit. Google researchers have floated 2029 as a possible window for concern.

What BIP-361 outlines: - Phase A: three years after BIP-360 activation, the network would reject new transactions to legacy addresses. - Phase B: two years later, unmigrated coins would be frozen at the consensus layer. - Phase C: an optional zero‑knowledge path would let claimants recover with a BIP-39 seed.

Lopp characterizes the draft as a rough sketch, not ready for adoption. That caveat matters. Freezing coins—even to safeguard holders who never opted in to a higher‑risk script—introduces a social override into a system prized for programmatic neutrality. It would be a line Bitcoin has avoided crossing: previous upgrades (SegWit, Taproot) expanded capability without dictating who must move and when.

The crux isn’t whether quantum resistance is valuable; it is. The question is whether coercive freezing becomes a precedent that changes Bitcoin’s social contract. Coordination at this scale risks governance friction, client divergence, and legal headaches in multiple jurisdictions. It also assumes timely, unambiguous detection of the vulnerable set, robust ZK tooling, and clean migration paths that don’t bottleneck UTXO churn or fee markets. On the other side, doing nothing implicitly outsources protection to individual key‑holders—many of whom may be dormant, deceased, or institutionally constrained.

There’s a middle lane that often proves more durable in Bitcoin: additive, forward‑compatible spend paths that let exposed outputs opt into post‑quantum controls without mandating a freeze. That preserves sovereignty while nudging migration with incentives (wallet defaults, fee differentials, education) instead of edicts. If practical quantum timelines compress and credible break models emerge, urgency—and the community’s appetite for stronger medicine—could shift. Until then, proposals like BIP-361 are useful thought experiments that surface the real cost of “safety by decree.”

Market and policy moves - Spot flows: Bitcoin traded +0.6% at $74,600; ETH +0.1% at $2,337; SOL +2% at $85; HYPE +1% at $44.66. RAVE (+18), DOT (+9%), and FIL (+9%) led notable gainers. Oil -1% at $88; gold flat at $4,820. - ETFs/treasuries: Spot BTC ETFs took in $186M Wednesday and roughly $600M over the past two days; ETH ETFs added $68M. STRC slipped back under par in its first trading day post‑dividend. Bitcoin whales accumulated ~270,000 BTC (~$20B) over the past month, the largest streak since 2013 per CryptoQuant. Tether bought another 951 BTC, bringing holdings to 97,141 and ranking as the fifth‑largest on‑chain holder. - WLFI governance: World Liberty Financial proposed unlocking 62.3 billion tokens with terms extending vesting beyond a potential second Trump term. Early investors face a two‑year cliff and two‑year linear vest; those who vote against remain locked indefinitely. Founders would burn 10% of their allocation and vest the remainder over five years after a two‑year cliff. With quorum at 1 billion WLFI and a simple majority, the founding team could pass the measure without external support. The token traded at $0.079—about 48% below the treasury’s $0.1507 buyback average—after last week’s $75M Dolomite loan episode and Justin Sun’s public split amplified concerns. Coercive vesting mechanics tend to telegraph governance concentration and raise long‑tail regulatory and reputational risk. - Corporate pivots: The footwear company behind wool sneakers is exiting shoes, rebranding as NewBird AI, and targeting GPU compute leasing. It’s selling the Allbirds brand for $39M and raising $50M via a convertible to fund hardware. Shares spiked from $2.49 to $17 intraday—about 600%—despite no current compute infrastructure and ~$58M in free cash flow burned over the past year. The pattern rhymes with past ticker‑rebrand frenzies; without durable unit economics, hardware leasing becomes a timing trade, not a moat. - Payments and policy: X Money is slated to launch this month with peer‑to‑peer payments and potential stablecoin rails, stepping toward an everything‑app vision. Senator Elizabeth Warren, the ranking member of the Senate Banking Committee overseeing the current Clarity Act markup, sent Elon Musk a letter seeking answers by April 21 on consumer protections, FDIC coverage gaps, potential stablecoin issuance under the GENIUS Act, and financial surveillance/data monetization. Her push lands alongside the Warsh confirmation hearing and the April 28–29 FOMC meeting—tight sequencing that could shape how aggressively X Money must operate like a bank rather than a tech wallet.

On‑chain, exchange, and NFTs - Binance introduced a chatroom feature enabling real‑time messaging and in‑app crypto transfers. BNB completed its 35th quarterly burn, removing 1.57 million BNB (about $1B) from supply. - NFT floors were steady to slightly higher: CryptoPunks flat at 26 ETH; Pudgy Penguins +1% at 4.1 ETH; BAYC +1% at 6.35 ETH; Hypurr’s flat at 402 HYPE. Del Mundos (+25%) and Moonbirds (+5%) outperformed. - Meme coin board: DOGE +3%, SHIB +3%, PEPE +5%, TRUMP +2%, PENGU +5%, SPX +6%, FARTCOIN +8%. On‑chain standouts included Unc (+120%), Peace (+28x), Dumbmoney (+120%), and Bio (+35%).

The BIP-361 conversation will linger. If quantum risk arrives faster than expected, the community may tolerate stronger guardrails. If not, Bitcoin’s bias for minimalism and opt‑in paths will likely prevail. Either way, wallets, services, and treasuries should start modeling migration playbooks now—before the calendar starts making decisions for them.