Five decades of war among leftist guerrillas, right-wing paramilitaries, drug lords and the government in Colombia have left ...

Bitcoin mining involves solving complex mathematical puzzles, validating transactions and securing the network. Miners compete to find the correct hash, adding new blocks to the blockchain and ...

Mining is the process of adding and validating transaction records on the Bitcoin public blockchain ledger while securing uptime for the network. This is how the network persists without relying ...

This is before factoring in the 30% corporation tax. In comparison, Brazil and Colombia, the world’s other top emerald exporters alongside Zambia, have significantly lower taxes. Gemfields ...

The Guernsey-based miner and marketer of coloured gemstones operates the Kagem emerald mine in Zambia, one of the biggest in the world. Gemfields also owns the Faberge jewellery brand and a ruby mine ...

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Gemfields is faced with a new export tax for shipments of emeralds from Zambia, where it operates the Kagem Emerald Mine. The Zambian woes have been mounting for Gemfields. Last month, the company ...

Gemfields will lobby the Zambian government reverse a newly reinstated export duty on precious stones, as its share price stumbles on fears for its Kagem Mining operation in the country.

The Gravelotte emerald mine, which was in operation from 1929 to 2002 and was reportedly the world’s biggest emerald mine in its heyday, is once again in production, albeit initially on a very small ...

Cryptocurrency mining is like solving difficult puzzles to protect a blockchain network and produce new virtual money. In the world of cryptocurrencies, miningᅳa is a process that requires powerful ...

The emergence of cryptocurrencies has created whole new opportunities for generating digital assets. Cloud mining has become more popular among people who want to mine cryptocurrencies but don’t want ...