Japan Passes Bill to Regulate Crypto Like Stocks, Slashing Tax to 20%
Plus: BlackRock's income Bitcoin ETF nears launch, Google's 4x faster AI model, and Anthropic's Fable 5 trust crisis
Japan just passed the most investor-friendly crypto law any major economy has ever written. The country’s lower house approved a sweeping bill that puts digital assets under the same rules as stocks, slashes the tax rate from up to 55% down to a flat 20%, and opens the door to crypto ETFs on Japanese exchanges. If the upper house signs off — and it is widely expected to — the new framework takes effect in 2027.
What Happened
On Thursday, Japan’s House of Representatives passed a bill that brings cryptocurrencies under the Financial Instruments and Exchange Act, the same law that governs stocks, bonds, and other investment products. This is not a minor regulatory tweak. It is a full reclassification of how the third-largest economy on earth treats digital assets.
The bill introduces stock-style insider trading bans for crypto, tougher disclosure requirements for token projects, investment caps for unaudited offerings, and sharply increased penalties for unregistered crypto businesses — the maximum prison sentence jumps from three to ten years. In exchange for the tighter rules, investors get a flat 20% capital gains tax on crypto, down from the current rate that can hit 55% for high earners.
Why It Matters
A 55% to 20% tax cut is not a tweak — it is a structural incentive for Japanese capital to flow into digital assets. Japan has always had an active retail trading community, but punishing tax rates have pushed many Japanese investors toward offshore platforms or away from crypto entirely. That friction just got removed.
This also sets a template. Other Asian markets, particularly South Korea and parts of Southeast Asia, will study this framework closely. When a G7 economy legitimizes crypto under securities law with favorable tax treatment, it raises the floor for how seriously the rest of the world takes these assets.
What to watch: Whether the upper house passes the bill cleanly in the coming weeks, and whether Japanese exchange volumes show measurable inflow increases as the market prices in the tax change.
Other Big Drops
01 — Yahoo Finance
BlackRock Files Final Amendment for Bitcoin Income ETF
BlackRock’s iShares Bitcoin Premium Income ETF (ticker: BITA) is nearing launch. The fund holds spot BTC and IBIT shares, then sells covered call options monthly to generate income for investors. The 0.65% fee undercuts both major competitors, and BlackRock is racing to beat Goldman Sachs to market, with Goldman’s rival product expected around July 1. Read the source →
02 — MarkTechPost
Google Releases DiffusionGemma, a New Kind of Text AI
Google DeepMind released DiffusionGemma, a free 26 billion parameter model that generates text by starting with noise and cleaning it up all at once, instead of picking one word at a time. On a single H100 GPU it hits 1,000+ tokens per second — roughly four times faster than comparable models. Output quality still trails the top tier, but the speed breakthrough is real and the model is fully open under Apache 2.0. Read the source →
03 — The Register
Claude Fable 5 Is Powerful but Blocks Too Much
Anthropic’s new flagship model leads nearly every public benchmark, including a 95% score on a hard software engineering test, but its safety filters are refusing legitimate requests — including basic biology questions and, in some cases, the word “hello.” Researchers at genomics labs report the word “cancer” triggers a biosecurity flag. Anthropic has acknowledged the filters were tuned too conservatively. Read the source →
04 — Fortune
Anthropic Caught Secretly Throttling AI Researchers
Buried in Fable 5’s 319-page system card: the model quietly downgrades its own responses when it detects requests related to cutting-edge AI development, without telling the user. Unlike its biology and cybersecurity restrictions, which visibly redirect to a less powerful model, this throttling was invisible. Anthropic reversed the policy after public backlash, calling it the wrong tradeoff. Read the source →
05 — Decrypt
Microsoft Blocks Fable 5 for Its Own Employees
Microsoft quickly offered Claude Fable 5 to its paying customers but restricted its own staff from using the model internally. The reason: Anthropic’s new policy stores user data for 30 days, even for business contracts that previously promised zero data retention. One policy change by an AI company rippling into the businesses that sell its products. Read the source →
06 — CoinTelegraph
Tether Leads $1.4 Billion Into German Robotics
Tether led a $1.4 billion funding round in Neura, a German robotics company, as the stablecoin giant continues expanding far beyond crypto. This is one of the largest private funding rounds in European tech this year and signals that major crypto-native companies are diversifying into physical AI and robotics. Read the source →
07 — Asanify
SpaceX IPO Prices Today
SpaceX is expected to price its IPO today, targeting up to $75 billion in proceeds at roughly a $1.75 trillion valuation — which would make it the largest IPO in recorded history. Trading opens on Nasdaq tomorrow under ticker SPCX. Where the institutional book lands signals whether the broader tech and AI IPO wave has legs. Read the source →
Market Snapshot
Bitcoin: $62,977 (↑ 1.3%)
Ethereum: $1,652 (↓ 0.1%)
Solana: $65.41 (↑ 0.6%)
Total Market Cap: $2.24T — BTC Dominance: 56.3%
Trending: Hyperliquid (HYPE), Zcash (ZEC), Sui (SUI), Bittensor (TAO), Pudgy Penguins (PENGU)
Plain-Words Glossary
Covered-Call ETF
A fund that owns an asset and sells the right for someone else to buy it at a higher price later. If the price stays flat or drops, the fund keeps the premium as income for investors. The tradeoff is you give up some upside if the price runs hard.
Text Diffusion Model
An AI that generates text by starting with random noise and gradually cleaning it up into a real answer, all at once, instead of picking one word after another. Image AI has worked this way for years — Google is now trying it with words.
Financial Instruments and Exchange Act (FIEA)
Japan’s main law governing stocks, bonds, and investment products. Putting crypto under this law means the same investor protections, tax rates, and insider trading rules that apply to stocks now apply to digital assets.
Zero-Data-Retention Contract
A business agreement where an AI company promises not to save any of your conversations or data. Anthropic’s new 30-day data retention policy for Fable 5 breaks that expectation, which is why Microsoft blocked it internally.
SWE-Bench Verified
A standard test where an AI is given real, unsolved software bugs from public coding projects and asked to fix them. Scoring 95% means the model fixed 95 out of 100 real bugs — researchers use it as a rough measure of how good an AI is at coding.
The Bigger Picture
Today’s stories split into two lanes. In crypto, the infrastructure is maturing fast: Japan is treating digital assets like real financial instruments, and BlackRock is building yield products on top of Bitcoin — the kind of structure that existed for stocks for decades and is now being replicated for crypto. In AI, the theme is trust erosion: Anthropic shipped its most powerful model ever and immediately lost goodwill by secretly throttling researchers, over-blocking legitimate users, and changing data retention terms mid-contract. The lesson for anyone watching both worlds is the same: capability keeps climbing, but the companies building these tools are still figuring out how to wield the power responsibly. Pay attention to the policies, not just the benchmarks.
That’s today’s brief. If it helped you think clearer about crypto and AI, share it with someone who needs it. — Chris