Floating KAST rock
Floating KAST rock
KAST Japan

The Crypto Card Built for Japan

In Japan, efficiency and convenience matter. Now, spending your cryptocurrency is just as smooth as using yen. Whether you're shopping in Shibuya, dining in Osaka, or booking a Shinkansen ticket, the Crypto Card makes crypto transactions effortless.

KAST Japan

Why Japan’s Crypto Users Prefer This Card

Instant Setup, No Waiting

Time is valuable—so your virtual card is ready to use as soon as you sign up. If you prefer a physical card, it will be shipped to you and works seamlessly.

Earn While You Spend

Every purchase rewards you with cashback in our exclusive token. From ramen in Tokyo to the latest gadgets in Akihabara, you earn rewards every time you tap or swipe.

Seamless Integration Everywhere

Use it with Apple Pay or Google Pay for quick, contactless transactions. Whether you're paying at a convenience store, a department store, or a global retailer, this card works effortlessly.

Backed by Stability

No volatility headaches—this card only supports USDC and USDT, ensuring stable, predictable transactions at all times.

Tailored for Japan’s Crypto Enthusiasts

Thousands of crypto users in Japan are already enjoying fast, secure, and effortless transactions. Start using your digital assets for everyday spending today.

Download on the App StoreGet Google Play
Space dust imagery in black & white
No borders.
No bureaucracy.
No borders.
No bureaucracy.
No borders.
No bureaucracy.
No borders.
No bureaucracy.
standard
K card
$20/year
First 3 months free in eligible countries
Silver K KAST card
2-6% rewards on all spending in 2025
Instant access to your digital card
Usable on Apple Pay, Google Pay and at 100M+ merchants globally
Plastic card
$100 per physical card
premium
x card
$1,000/year
X KAST Card
5-12% rewards on all spending in 2025
Instant access to your digital card
Usable on Apple Pay, Google Pay and at 100M+ merchants globally
Premium metal card
1 free card a year then $250 each
premium
founders
$5,000 one time fee
Vertical Founders Edition Card with a chip
5-12% rewards on all spending in 2025
VIP Concierge. Instant digital access
Usable on Apple Pay, Google Pay and at 100M+ merchants globally
Premium metal card. Limited to 888
1 free card a year then $250 each
As seen in the news
KAST Japan

24/7 Help at Your Fingertips

Got a question? Whether it’s 2 a.m. or lunchtime, our support team is always available on WhatsApp, WeChat, and Telegram. You’ll always have someone to help, no matter what the issue is.

Sand dunes in black & white
The industry is talking

Take Your Crypto to the Next Level

Thousands of crypto users in Japan are already enjoying fast, secure, and effortless transactions. Start using your digital assets for everyday spending today.

Download on the App StoreGet Google Play
A moody, cloudy sky in black & white
Download
KAST now
Download KAST now
JOIN KAST
By subscribing, you agree with our Privacy Policy.
Thank you for joining KAST.
Oops! Something went wrong while submitting the form.