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PIX instant payment limits to reduce kidnappings\\nLast year the PIX instant payment system was introduced in Brazil. It currently has 112 million registered users \\u2013 that\\u2019s 62% of the population. It\\u2019s proving incredibly popular and is allowing the 40 million unbanked people in the country access to electronic payments. Unfortunately its popularity has also led to significant issues \\u2013 namely ransom demands by kidnappers that can be paid immediately. By lowering the payment limit and stopping night payments, it\\u2019s hoped this will curb the problem. Silvia Bassi, who runs the tech website The Shift in Brazil, is on the show.

Bitcoin mining in Navajo Nation \\u2013 crypto-colonialism\\nIn the past traditional mining often took advantage of local people living near the mine, now something similar may be happening with cryptocurrencies. A bitcoin mine in the Four Corners region of New Mexico which belongs to the Navajo nation is causing controversy. It consumes enough to power 19,600 homes, yet many local residents lack water and electricity. The scheme was originally set up with the Navajo\\u2019s support but there is opposition from some local people. Mining companies argue though that investing in their schemes will ultimately reap financial rewards for the local people. Reporter Luke Ottenhof is on the show to discuss this story and the rise of crypto-colonialism globally.

AI training for top flight football\\nOur gaming correspondent Chris Berrow reports on the latest tech to train footballers. Norwich City are the first UK Premiership club to use the Soccerbot360 simulator which claims to replicate real-life match scenarios - enabling players to work on their decision-making. We will soon see if it improves the Canaries\\u2019 game.

The programme is presented by Gareth Mitchell with expert commentary from Angelica Mari.

Studio Manager: Bob Nettles\\nProducer: Ania Lichtarowicz

(Image: Pix logo on smartphone with Brazilian currency\\nCredit: Cris Faga/NurPhoto via Getty Images)