Bitcoin City

Bitcoin City is a planned smart city project in La Unión, El Salvador. The planned city is intended to be a tax haven, and to use geothermal energy to power Bitcoin mining. The feasibility of its reliance on both geothermal energy and Bitcoin have been the subject of criticism, alongside concerns regarding delays in the project's financing and construction.

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In November 2021, Nayib Bukele announced that he planned to build Bitcoin City in the southeastern region of La Unión at the base of the Conchagua volcano, which would use geothermal energy to power bitcoin mining. The project has been criticized by ecologist Ricardo Navarro. “Geothermal still costs more than oil, otherwise we would already be using more of it. What will end up happening is that we will just be buying more oil," he told The Telegraph.

The planned city will use energy from Conchagua volcano to power its infrastructure, as well as the mining of cryptocurrencies. The project, announced by President Nayib Bukele, will be funded by a $1 billion Bitcoin bond issued by state-owned power company LaGeo. Also known as "Volcano bonds", half of the income from the sales would fund the construction of Bitcoin City and the mining of cryptocurrencies. The other half would be invested in Bitcoins in the hope that they would rise in value. Most buyers are expected to be crypto investors, some of whom may be granted Salvadoran citizenship depending on how much bond they purchase.

Bukele has promised to make the city a tax haven, saying, "We will have no income tax, forever. No income tax, zero property tax, no procurement tax, zero city tax, and zero CO2 emissions ... The only taxes that they will have in Bitcoin City is VAT, half will be used to pay the municipality's bonds and the rest for the public infrastructure and maintenance of the city."The project has faced various criticisms, ranging from concerns over delays in financing and construction, to skepticism that Salvadorans will willingly adopt Bitcoin, that investors will be able to recoup costs if El Salvador defaults, and that Bukele's government has made misleading statements regarding the project's progress.