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Tag: Visa

Crypto payment cards may be unsafe—but not in the way you think

August 9, 2021 Comments are Disabled

Payment cards linked to cryptocurrencies are booming. But they combine a new technology (crypto) and an old one (card payment networks). In this guest post, payments security researcher Timur Yunusov […]

Risks lurk in fintech sector

July 17, 2020 Comments are Disabled

Wirecard’s collapse raises questions about the future growth of the financial technology sector. Do no harm—the pre-paid card If you’re in search of financial products that harm consumers, you don’t […]

US struggles to speed up payments

August 14, 2019 0 comments

The US financial system was designed to ensure that no single entity would ever dominate the nation’s money. But the downside of this legacy is becoming ever-clearer when it comes […]

Cracking micropayments

May 31, 2019 0 comments

In theory, micropayments could be one of the most disruptive technologies of all. But will a future of instant, free small money transfers ever arrive? The micropayment promise The designers […]

Old payment systems never die

September 4, 2018 1 comment

Some technologies fade away and are replaced: typewriters, punch card computers and VHS tapes are now obsolete. But in payments, new technologies may need to build on old ones, says […]

Segwit, batching help cut bitcoin transaction fees by 98% in six months

May 22, 2018 0 comments

A fierce debate over the optimal size of bitcoin blocks may have led to a schism amongst early adopters of the cryptocurrency. But the more efficient usage of block space […]