
Cards for kids, teens and families traveling abroad: solving it when no native product exists
You discover it at boarding: your 15-year-old is heading to an exchange program in the US and no bank back home has a card for them. Paths exist, but no one explains them properly. Wise multi-user solves it with real parental control and low spread. C6 Conta Jovem works for a teen traveling with family. A prepaid card from an FX bureau is almost always the worst option — and the one that sells most at agencies. This guide gives you the right choice for each scenario, with limits, risks, and what to do when the card gets lost at 10 PM in Lisbon.
Curadoria Voyspark · May 15

Travel insurance included with Visa Infinite and Mastercard Black: what's written, what gets denied, and the 4 tricks to activate it
Premium cards promise USD 175,000 in coverage, but deny skiing, scuba diving, high-risk pregnancy, travelers over 70, and trips partially paid in miles. Here's what actually gets covered, what gets denied, and why Schengen can reject your letter even with Visa Infinite.
Curadoria Voyspark · May 15

Are 'No-IOF' Brazilian Credit Cards Worth It? The Math Nubank Ultravioleta, BTG and Sicredi Won't Show You
A no-IOF credit card looks like the holy grail of international spending for Brazilians. It isn't. Once you isolate the FX spread, the 'zero IOF' offers from Nubank Ultravioleta, BTG Cashback IOF Zero and Sicredi become expensive marketing. We ran the numbers line by line — who wins, who loses, and in which scenario.
Curadoria Voyspark · May 15

The 3.5% IOF tax isn't your enemy: the hidden 6% spread your Brazilian bank charges on every overseas purchase
As of May 2026, the IOF on international card purchases in Brazil is 3.5%, not 6.38%. That outdated number became folklore. Meanwhile, banks charge you a 4-6% spread on top of the wholesale dollar rate — a piece that doesn't even appear by name on your bill. This guide shows the real formula, compares eight cards and global accounts with the final effective exchange rate, and explains why a "no-IOF card" sometimes costs more than a regular one.
Curadoria Voyspark · May 15
4 artigos em #cartao-credito