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The Big Story

SpaceX Holds $1.46 Billion in $BTC as IPO Preparations Gain Momentum

SpaceX has disclosed a holding of 18,712 BTC, worth approximately $1.46 billion at current prices, as part of its formal S-1 registration statement filed with the SEC. The revelation marks one of the largest corporate Bitcoin positions to surface in a public filing and adds SpaceX to a short list of major corporations with significant on-chain exposure heading into a public listing. The filing offers the first transparent view into the company's digital asset strategy as it prepares to go public later this year. Separately, Trump Media moved another $205 million in Bitcoin to Crypto.com, signaling continued treasury management activity ahead of broader market volatility.

South Korea Considers Scrapping Crypto Tax — A national petition calling for the repeal or revision of South Korea's planned crypto tax has crossed 50,000 signatures in just eight days, triggering a mandatory formal review by lawmakers and the Finance Ministry.

House Republicans Want to Lock the US Government's 328,372 BTC Stash for 20 Years — Rep. Nick Begich (R-AK) introduced the American Reserve Modernization Act (ARMA), which would direct the Treasury to create and maintain a Bitcoin reserve with a 20-year lock-up period and prohibit any sales during that window.

Germany's Bundestag Rejects Greens' Bitcoin Tax Bill, Tax-Free Holding Rule Survives — Germany's Finance Committee voted down a Green Party proposal that would have eliminated the country's one-year tax exemption on crypto holdings, preserving one of Europe's most investor-friendly tax structures.

Blockchain.com Just Confidentially Filed to Go Public This Year — The crypto exchange and wallet provider has submitted a confidential draft S-1 registration statement with the SEC for a proposed initial public offering, marking another major crypto infrastructure firm moving toward traditional capital markets.

Bitcoin Faces Massive Quantum Risk

Blockchain analytics firm Glassnode has published research finding that 6.04 million BTC, roughly 30.2% of Bitcoin's total issued supply and worth approximately $469 billion, sits in addresses with exposed public keys. The exposure creates a theoretical attack surface for sufficiently advanced quantum computers, which could derive private keys from publicly visible signatures. The finding has reignited debate over Bitcoin's long-term cryptographic resilience and the timeline for protocol-level quantum resistance upgrades.

Cardano Founder Targets Bitcoin DeFi Market

Cardano founder Charles Hoskinson has singled out decentralized Bitcoin DeFi as a strategic growth opportunity for the Cardano ecosystem, signaling plans to build interoperability infrastructure between the two networks. The move positions Cardano to compete for a share of Bitcoin-backed liquidity, which has become a focal point for cross-chain bridge builders and Layer 2 developers. Hoskinson's comments come as Bitcoin DeFi protocols continue to attract institutional attention and developer activity despite persistent concerns over bridge security and custody models.

Ethereum Veteran Pushes Major Reform Plan

Former Ethereum Foundation researcher Dankrad Feist has gone public with a pointed critique of the organization he helped build, arguing that a wholesale restructuring is needed to keep Ethereum competitive. Feist proposed a new ETH-focused organization with a minimum of $1 billion in funding and what he described as competent leadership. The remarks represent one of the most direct calls for institutional change from within Ethereum's core research community and have sparked debate over governance, execution speed, and competitive positioning relative to newer Layer 1 networks.

How Polkadot's Parachain Model Works and Why It Differs From Layer 2s

Polkadot's parachain architecture is not a Layer 2 scaling solution—it's a Layer 0 protocol that provides shared security, interoperability, and scalability to specialized blockchains that connect to the relay chain. This deep dive breaks down how parachains differ structurally from Ethereum rollups, why the security model matters, and what trade-offs builders face when choosing between the two paradigms.

• 6.04 million BTC — Roughly 30% of Bitcoin's circulating supply sits in addresses with exposed public keys, creating theoretical quantum computing attack surface, according to Glassnode.

• 18,712 BTC — SpaceX's disclosed Bitcoin holdings in its S-1 filing, valued at approximately $1.46 billion and representing one of the largest corporate treasury positions heading into a public listing.

• $110 billion — Total value secured by Chainlink's oracle network, underscoring the protocol's role as critical infrastructure for decentralized finance and institutional blockchain deployments.

• 4,300 wallets — New wallet creation on the XRP Ledger in a single 24-hour window on May 21, marking the fourth-largest daily network growth surge recorded so far in 2026.

• 50,000+ signatures — The threshold crossed by South Korea's national petition to scrap or revise the planned crypto tax, triggering mandatory formal government review.

• 20 years — Proposed lock-up period for the US government's 328,372 BTC under the American Reserve Modernization Act introduced by House Republicans.

• Kraken adds Avalanche staking — The exchange officially opened AVAX staking to eligible clients, allowing them to earn rewards with no technical setup required.

• Ripple integrates EDX Markets into Prime — Ripple Prime now offers institutional clients unified access to spot and perpetual futures liquidity across EDX's trading venues.

• Polymarket eyes Japan by 2030 — The prediction market platform has appointed a representative in Japan and is preparing to lobby for regulatory authorization to operate in the country.

• Nexus launches AI-agent Layer 1 — The blockchain went live on mainnet with its native token NEX opening at $0.000059, up 13% on the day and posting a $353 million market cap on launch.

Until Monday.