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Payments

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Most complaints about gambling sites are really complaints about payments: a card that will not go through, a withdrawal that sits pending, a balance that arrived smaller than it left.

The guides below take each payment route in turn and explain what the bank sees, what the operator is required to check and where the money actually waits. None of them is a recommendation of a payment method, and none of them explains how to get around a block: a card declined by policy is a decision of the issuing bank, and that is where it stays.

Casino sites that take cryptocurrency deposits

Figures below are the welcome offers published for Japan by the operators themselves or by Japanese review portals; nothing here is converted or estimated. No online casino holds a Japanese licence, and betting from inside Japan is an offence under the Penal Code — this is a description of the market, not a recommendation to play.

  1. 1
    20betCuraçao licence · no Japanese licenceCrypto acceptedSports betting tooLive dealer tables
    100% up to ¥15,000 + 120 free spinsWagering 40x · Min deposit ¥1,500 · Online since 2020
    Go to siteWhat we know
  2. 2
    National CasinoCuraçao licence · no Japanese licenceCrypto acceptedLive dealer tables
    100% up to ¥12,000 + 100 free spinsWagering 40x · Min deposit ¥2,500 · Online since 2020
    Go to siteWhat we know
  3. 3
    WazambaCuraçao licence · no Japanese licenceCrypto accepted
    100% up to ¥65,000 + 200 free spinsWagering 35x · Min deposit ¥2,600 · Online since 2019
    Go to siteWhat we know
  4. 4
    22betCuraçao licence · no Japanese licenceCrypto acceptedSports betting tooLive dealer tables
    100% up to ¥49,500 + 30 free spinsWagering 50x · Min deposit ¥1,650 · Online since 2017
    Go to siteWhat we know
  5. 5
    1winCuraçao licence · no Japanese licenceCrypto acceptedSports betting tooLive dealer tables
    100% up to ¥75,000 + 70 free spinsWagering 30x · Min deposit ¥2,000 · Online since 2016
    Go to siteWhat we know

Figures are the welcome offers the operators or Japanese review portals have published; we do not convert or estimate amounts. Links marked “Go to site” are commercial. Online casino play from within Japan is an offence under the Penal Code, and this list is a description of the market, not an invitation to play.

Payments
Photo: Bluescan sv.wiki — CC BY-SA 3.0, via Wikimedia Commons

Payment guides

Yen Accounts And Conversion — illustrationPayments

Yen Accounts And Conversion

A conversion happens at least twice, and the cost is a margin in the rate rather than a visible fee. What that means for a balance that moves often.

September 18, 2026

Cards Versus Bank Transfers — illustrationPayments

Cards Versus Bank Transfers

Card networks tag gambling merchants, so a decline repeats no matter how often the card is retried. Transfers settle slower but carry a name that must match.

September 18, 2026

Crypto Versus Cash Balances — illustrationPayments

Crypto Versus Cash Balances

A crypto transfer is final, priced by the network and exposed to price movement. Identity checks and tax are unaffected.

September 18, 2026

Verification Documents Explained — illustrationPayments

Verification Documents Explained

Identity, address, payment instrument and source of funds — the four families of document, and why the request lands at the first withdrawal.

September 18, 2026

Why Withdrawals Take Days — illustrationPayments

Why Withdrawals Take Days

A pending period, an approval and a payment rail — and the account terms that decide the real speed of all three.

September 18, 2026