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a huge digital artwork and this slamming basketball block all have in common? ah, our most loyal viewers might know! yes, they will. they ve all turned up in our attempts to explain the blockchain the buzzword of the decade, the thing that every business needs. does it really? no, but go with me. and the thing that s currently burning through more electricity than the country of argentina as people use blockchain technology to try and get rich on cryptocurrency. so, the blockchain is a way of storing ownership records. it can prove that you own a bitcoin, a house or even a video clip. that proof is a unique token that is non changeable, non fungible it s a non fungible token, or nft. personally, i ve always been sceptical of whether nfts are a sensible idea, but there are plenty of people who ve bought into them, literally. ownership rights for some digital artworks have gone for millions of dollars, and collins dictionary has just made nft its word of the year. and ....
trying to cross the english channel. join us tonight at 8:45pm. good evening. officials in belgium say they ve discovered the first case in europe of a new variant of coronavirus deemed to be of huge international concern. the world health organization has given the variant the greek name omicron. there are fears that omicron, which has been circulating in south africa for at least two weeks, might be more transmissible and that vaccines may be less effective against it. from midday today, the uk suspended direct flights from six countries in southern africa and from 4am on sunday, anyone arriving here from those countries will have to quarantine at their own expense for ten days in an approved hotel. the us hasjoined the european union, japan and several other countries announcing flight bans to countries in southern africa. our medical editor fergus walsh reports. after months of opening up, a new coronavirus variant means travel restrictions are back. at heathrow, the ....
last few games. causing problems, bringing variety. she has a chance now, she will serve in the second set and it looks like she was heading out in straight sets. we also have a second semifinal to come. onsjabeur, also have a second semifinal to come. ons jabeur, trying to make history for the north african and arab world. she is going to have a mammoth protest in front of aryna sabalenka. she of course has given us some of her best moments at these championships. really getting to grips a lot more where the grass. we know she is more comfortable and harder services but we can see she is more at ease. a lot of people when you re speaking to them, they are saying it is partly between aryna sabalenka or ons jabeur. elina svitolina tries to level things up. she is staying with a mate of hers in southfield and she had only rarely arranged to be here for the first week maximum. he wasn t expecting her to be there for the second week. she could well be a wimbledon finalist. ....
serious challenge to president putin s grip on power in over 20 years. here s us secretary of state anthony blinken ealier. i think we re in the midst of a moving picture. we haven t seen the last act. we re watching it very closely and carefully. but just step back for a second and put this in context. 16 months ago, russian forces were on the doorstep of kyiv in ukraine, thinking they d take the city in a matter of days, thinking they would erase ukraine from the map as an independent country. now, over this weekend, they ve had to defend moscow, russia s capital, against mercenaries of putin s own making. prigozhin himself in this entire incident has raised profound questions about the very premises for russia s aggression against ukraine in the first place, saying that ukraine or nato did not pose a threat to russia, which is part of putin s narrative, and it was a direct challenge to putin s authority. so this raises profound questions. it shows real cracks. we can ....
the head of the mercenary group, yevgeny prigozhin pictured here leaving the russian city of rostov on don on saturday evening is reportedly going into exile in belarus after abandoning his advance on moscow. and with wagnerforces firing their guns into the sky and cheers from the watching public, his troops also departed the city. just hours before, they had taken control of a military building with further wagner troops moving towards moscow, travelling north on the m4 motorway, passing the city of vuronezh, and were spotted as far north as lipetsk, which is around 300 miles south of moscow. then, in the early evening, prigozhin announced that he had agreed to stop the advance. tensions had been building between mr prigozhin and russia s military leadership for some time over their approach to the war in ukraine. our russia editor, steve rosenberg, reports. leaving as heroes. the wagnerfighters pulling out of rostov last night. you d think they d just won a war. t ....