Cryptocurrencies selloff widens: Bitcoin down nearly 4%, ether 6%

A selloff in cryptocurrencies widened on Tuesday, with bitcoin weakening nearly 4% while smaller rival ether fell more than 6%.

The world's biggest and best-known cryptocurrency weakened 4% to $50,516, having risen to a mid-May high above $52,000 earlier, in Asian trading.

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Ether, the coin linked to the ethereum blockchain network, fell more than 6% to $3,666.