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Security

Address poisoning: how a lookalike address drains a wallet

Oct 28, 20268 min read

Address poisoning plants a lookalike address in your transaction history so a hurried copy sends funds to a scammer. Here is how the trick works, and the habits that stop it.

Bitcoin

Bitcoin halving explained: the pay cut nobody votes on

Oct 23, 202610 min read

The reward for mining a Bitcoin block halves every 210,000 blocks, and the next cut is expected around April 2028. Here is what the halving changes and what it does not.

Crypto Cards

Kazawallet Card Basic: adding it to Apple Pay, step by step

Oct 19, 20269 min read

A virtual UPay Visa card can go into Apple Wallet in about two minutes. Here is the setup, where the 2FA sits, and what to check before you fund it.

Crypto Cards

Cryptomus virtual card: how it works and what to check

Oct 19, 202611 min read

CryptoAlmaznik's short clip pitches the Cryptomus virtual card as a way to pay for game passes, skins, loot boxes and DLC. Here is how crypto cards work and where the costs hide.

Crypto Cards

AdvCash Card review: fees, limits and who it suits

Oct 17, 20269 min read

AdvCash's prepaid Mastercard covered Russia and most of Europe in 2022, with light identity checks and crypto top-ups priced through the company's own exchange rate.

Crypto Cards

CasherCard virtual cards: what they cost to run

Oct 17, 20269 min read

CasherCard's Virtual Visa costs $6 to issue and charges 4% plus $1.50 on top-ups, with no NID or passport at sign-up and bKash deposits from $5.

Crypto Cards

Wirex Card review: fees, rewards and who it suits

Oct 17, 202610 min read

Wirex issues Visa and Mastercard cards with crypto cashback, but the cost shows up in conversion spreads, tax records and the WXT you must lock for the top rate.

Crypto Cards

Tria Card: fees, limits and how to top up from Binance

Oct 17, 20269 min read

Tria Card is funded in two steps: USDT from Binance over BNB Smart Chain into the app wallet, then a top-up onto the card with a $0.1513 fee and a $10 minimum.

Crypto Cards

Plutus Card review: rewards, fees and the risks to weigh

Oct 17, 20269 min read

The Plutus Card pays cashback in the PLU token, charges a monthly subscription for its perk tiers and puts a volatile asset at the center of the deal.

Crypto Cards

SpectroCoin Card review: convenience, fees and regional limits

Oct 17, 20269 min read

The SpectroCoin Card turns crypto into everyday card payments on the Visa and Mastercard networks. HelperDog weighs the convenience against fees, exchange rates and regional limits.

Crypto Cards

NearPay Card: a virtual Visa that spends your crypto

Oct 17, 20269 min read

NearPay launched a virtual Visa debit card and a wallet for the EEA and UK in September 2022, with physical cards promised later. Here is how spending works and what to check.

Crypto Cards

KuCoin KuCard: how to apply and what to check first

Oct 17, 20269 min read

Applying for the KuCoin KuCard means a short route through KuCoin's website and then an identity review. Here are the steps, the country list on the form and the checks worth making first.