Japan’s New Crypto Rules: Exchanges Must Keep “Liability War Chests” Ready for Cyber Attacks

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In the land of the rising sun, cryptocurrency is getting a bit less wild west and a lot more “please keep your hands inside the ride at all times.”

Japan’s Financial Services Agency, the FSA is about to crank up the rules for crypto exchanges in a way that sounds like the start of a sci-fi thriller.

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Following the haunting shadow of the Mt. Gox fiasco and fresh hacks like DMM Bitcoin’s loss of thousands of BTC in 2024, regulators finally decided enough is enough.

Dedicated compensation funds

The plan? Exchange operators will soon have to maintain “liability reserves”, basically, extra piles of cash or insurance policies set aside to cover customers if hackers manage to snatch coins or shady transfers take place.

This isn’t just a suggestion. The FSA wants these funds locked tight, even accounting for those supposedly hacker-proof cold wallets. Japan is calling time on hoping offline storage will save the day.

If you’ve been around the block, you know Japan’s crypto rules are already among the strictest globally.

Exchanges must juggle asset custody, client fund separation, AML controls, and cold storage like a financial Cirque du Soleil. Still, no requirement existed to hold dedicated compensation funds, until now.

Japan wants to protect customers better

How much cash are we talking? The FSA will mirror the securities industry, where firms stash anywhere from 2 billion to 40 billion yen depending on size and risk.

For smaller exchanges sweating over these new costs, the FSA might let insurance policies fill some of the gap.

Details on what kind of insurance will pass muster are still in negotiation, because who doesn’t love a cliffhanger?

But industry experts commentators say the liability reserve rule is just the beginning.

Picture a full regulatory reboot, third-party wallet companies and custodians must register, certain cryptos get reclassified with stricter securities-style hoops, and bankruptcy procedures should finally speed up compensation for victims.

What’s driving this push? Simple, Japan wants to protect customers better, restore confidence after some bruising hacks, and close the regulatory holes that left cracks for cyber thieves.

Liability reserves mean faster payback for customers and a safety net beyond “hope hackers don’t find the keys.”

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Getting the money back

For exchanges, this obviously means tighter budgets and heavier compliance dance steps. Small players might feel the squeeze enough to trigger some industry shakeups.

Customers, on the other hand, get a better shot at avoiding financial nightmares, or at least getting their money back quicker if the worst happens.

Globally, Japan’s move could ripple like a stone in a financial pond, nudging other countries to up their crypto safeguards.

But right now, one thing is crystal clear, Japan is turning its crypto playground into a high-security fortress. Exchange operators better stock up their war chests.


Disclosure:This article does not contain investment advice or recommendations. Every investment and trading move involves risk, and readers should conduct their own research when making a decision.

Kriptoworld.com accepts no liability for any errors in the articles or for any financial loss resulting from incorrect information.

András Mészáros
Written by András Mészáros
Cryptocurrency and Web3 expert, founder of Kriptoworld
LinkedIn | X (Twitter) | More articles

With years of experience covering the blockchain space, András delivers insightful reporting on DeFi, tokenization, altcoins, and crypto regulations shaping the digital economy.

📅 Published: December 10, 2025 • 🕓 Last updated: December 10, 2025
✉️ Contact: [email protected]

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