Miners’ work periodically creates new copies of the blockchain, adding recent, previously unverified transactions that aren’t included in any previous blockchain copy — effectively completing those transactions.
Cryptocurrencies are digital currencies that are not managed by the government or any central system but are built on blockchain technology. In the last decade, cryptocurrencies have gained traction, have become more popular, and are becoming more of an option for individuals and organizations to invest in.

— Meanwhile, Rover, the pet care site sometimes referred to along with its competitor Wag as the Uber of dog walking, has retained Mercury Public Affairs as its first outside lobbying firm. Mercury’s Mike McSherry, an alum of the RNC, Republican Governors’ Association and Labor Department, will lobby for Rover on tax and labor classification issues — a development that comes as the Biden administration has pledged to recognize workers dispatched by apps as employees rather than contractors. Gig companies are also facing new tax reporting requirements beginning next year, thanks to the coronavirus stimulus bill signed into law by President Joe Biden in March.
Paulina Porizkova, 56, has been enjoying a much-needed break from the fast life, having recently posted a sexy bikini photo of herself leaning on the edge of a resort near a calm sea.