Do I need to buy an RFID-blocking wallet?

Some claim they can stop your contactless cards being scanned – or is it just scaremongering?

Warning signs for TSB’s IT meltdown were clear a year ago – insider

Expert ‘could have put money on rollout being a disaster, with evidence of major code changes on the hoof’

TSB customers vent anger as IT meltdown continues

Millions still unable to access accounts, while others report missing payments but bank has yet to find solution

Fake books sold on Amazon could be used for money laundering

Books of gibberish are listed on Amazon.com for thousands of dollars, with one author claiming his name was used to send almost $24,000 to a fraudulent seller

TSB chief forced to backtrack as online chaos continues

Internet banking operating at 50% of capacity despite earlier assurances from Paul Pester

TSB customers share their experiences of IT crisis

From cancelled food deliveries to accounts showing in US dollars, Guardian readers have their say

Did high cost of further delay make TSB upgrade too soon?

Using former owner Lloyds’ IT system was proving ruinously expensive for the bank

Why shouldn’t I get a cooling-off period over my EE contract?

I regretted signing a new deal in store … but there’s no way back

Martin Lewis sues Facebook over fake adverts with his name

MoneySavingExpert founder says firm failed to stop false adverts luring victims into scams

Scottish Power’s new meter wasn’t a smart move

We have no signal and so I knew it wouldn’t work ... but it went ahead anyway

‘Amazon, why am I deluged by unwanted parcels?’

Free goodies may seem like Christmas every day, but for one reader they became a problem

World Bank recommends fewer regulations protecting workers

Unions alarmed by suggestion that deep structural reforms are required to adjust to changing nature of work

Cryptocurrency: New York launches inquiry, saying people lack ‘basic facts’

Attorney general says inquiry into practices of platforms for trading Bitcoin and other currencies is an effort to protect consumers

Primark says there’s life in the UK high street yet

Parent company unveils 3% sales rise despite refusal to sell online and trouble at rivals

Bitcoin tools could make finance system safer, says IMF boss

Christine Lagarde believes revisiting crypto-assets could ‘harness gains and avoid pitfalls’