The Fizardus blog.

Guides, product updates and notes on spending crypto in the real world.

Pay for Claude, ChatGPT and AI tools with a crypto card
GuideJuly 31, 2026 · 6 min read

Pay for Claude, ChatGPT and AI tools with a crypto card

How to pay for Claude, ChatGPT, Midjourney and other AI subscriptions with a crypto card funded in USDT — no bank account, no KYC, and what actually gets declined.

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How to secure or freeze your crypto card
SecurityJune 30, 2026

How to secure or freeze your crypto card

How to keep your crypto card safe and what to do if it's compromised — freezing the card, tokenization, small balances and non-custodial control.

Spending crypto in Bali and Indonesia
TravelJune 23, 2026

Spending crypto in Bali and Indonesia

How to spend crypto in Bali and Indonesia with a card — funding with USDT, paying in rupiah via Visa/Mastercard and Apple Pay, cash habits and ATM fees.

Spending crypto in Thailand, cards and ATMs
TravelJune 16, 2026

Spending crypto in Thailand, cards and ATMs

How to spend crypto in Thailand with a card — funding with USDT, paying in baht via Visa/Mastercard and Apple Pay, ATM tips, and what to expect on fees.

Which country card should you pick?
GuideJune 9, 2026

Which country card should you pick?

How to choose which country card to order — matching currency, region rules and Apple Pay support to where you actually spend, across Europe, Asia and beyond.

Crypto cards for digital nomads and the unbanked
TravelJune 2, 2026

Crypto cards for digital nomads and the unbanked

Why crypto cards suit digital nomads and the unbanked — no local bank, spend across countries, funded with USDT — and what to look for when you live on the move.

How to back up your seed phrase safely
SecurityMay 26, 2026

How to back up your seed phrase safely

How to back up your crypto seed phrase safely — why it matters, what never to do, and simple offline methods to protect the master key to your wallet.

Best crypto card for travelling in Europe
TravelMay 19, 2026

Best crypto card for travelling in Europe

How to pick a crypto card for travelling in Europe without a local bank account — what to look for in fees, FX, ATM limits and coverage, funded with USDT.

Pay for subscriptions and ads with a crypto card
GuideMay 12, 2026

Pay for subscriptions and ads with a crypto card

How to pay for online subscriptions and ad platforms with a crypto card — including services that block crypto directly — funded with USDT and no bank account.

Virtual vs physical crypto card, which to choose
GuideMay 5, 2026

Virtual vs physical crypto card, which to choose

Virtual vs physical crypto card — the differences in speed, security, ATM access and everyday use, and which one you actually need.

Are no-KYC crypto cards safe?
SecurityApril 28, 2026

Are no-KYC crypto cards safe?

Are no-KYC crypto cards safe? The real risks — provider trust, custody, limits and scams — and a practical checklist to use one safely with USDT.

Crypto card declined? 8 reasons and fixes
GuideApril 21, 2026

Crypto card declined? 8 reasons and fixes

Why a crypto card gets declined — from empty balance and limits to merchant blocks and verification — and exactly how to fix each one.

Add a crypto card to Apple Pay & Google Pay
GuideApril 14, 2026

Add a crypto card to Apple Pay & Google Pay

A step-by-step guide to adding your virtual crypto card to Apple Pay and Google Pay so you can tap to pay in stores — plus why it's secure and what to do if it won't add.

Crypto card fees explained
GuideApril 7, 2026

Crypto card fees explained

The real cost of spending crypto with a card — top-up, issuance, FX spread, ATM and monthly fees explained, plus how to keep them as low as possible.

Using a crypto card at ATMs, fees and tips
GuideMarch 31, 2026

Using a crypto card at ATMs, fees and tips

How crypto card ATM withdrawals work, why the fees are the highest of any card use, the limits to expect, and tips to withdraw cash cheaply.

What is a non-custodial wallet and why it matters
WalletMarch 24, 2026

What is a non-custodial wallet and why it matters

What a non-custodial crypto wallet is, how it differs from custodial, why holding your own keys matters, and how it pairs with a crypto card.

Custodial vs non-custodial wallets
WalletMarch 17, 2026

Custodial vs non-custodial wallets

The difference between custodial and non-custodial crypto wallets, who holds your keys, the trade-offs in security and convenience, and which one is right for you.

Crypto card limits explained
GuideMarch 10, 2026

Crypto card limits explained

How crypto card limits work — top-up, spending and ATM caps, why no-KYC tiers have lower limits, and how to raise them when you need to.

TRC-20 vs ERC-20, which USDT network to use
GuideMarch 3, 2026

TRC-20 vs ERC-20, which USDT network to use

TRC-20 vs ERC-20 for sending USDT — a plain comparison of fees, speed and support, so you pick the cheapest safe network when funding a crypto card.

How to spend USDT in real life, 7 ways
GuideFebruary 24, 2026

How to spend USDT in real life, 7 ways

Seven practical ways to spend USDT in the real world — crypto cards, Apple Pay, ATMs, online checkout, bills and gift cards — with the pros and cons of each.

How to get a virtual card without a bank account
GuideFebruary 17, 2026

How to get a virtual card without a bank account

How to get a virtual Visa or Mastercard without a bank account — using crypto to fund it, no KYC for standard use, ready to spend online and in stores.

Crypto card without KYC, how it works
GuideFebruary 10, 2026

Crypto card without KYC, how it works

How no-KYC crypto cards work, what "no KYC" really means, whether it's legal, the trade-offs, and how to get a virtual card funded with USDT without ID verification.

USDT vs USDC, which to load on your card
GuideFebruary 3, 2026

USDT vs USDC, which to load on your card

USDT vs USDC for funding a crypto card — how the two main stablecoins compare on stability, network fees, availability and support, and which to load.

Why stablecoins beat volatile crypto for spending
GuideJanuary 27, 2026

Why stablecoins beat volatile crypto for spending

Why you should fund a spending card with stablecoins like USDT instead of Bitcoin or Ethereum — volatility, taxable events, and predictable budgeting.

Virtual crypto cards without a bank, explained
GuideJanuary 20, 2026

Virtual crypto cards without a bank, explained

What a virtual crypto card is, how it works without a bank account or KYC, what it costs, and how to get one funded with USDT. The complete 2026 guide.

Fund your card with USDT in 2 minutes
GuideJanuary 14, 2026

Fund your card with USDT in 2 minutes

A step-by-step guide to topping up your Fizardus virtual card with USDT over TRC-20 or ERC-20 — no bank account and no KYC.