The computer problems prompted a round of panic selling that forced values to plunge.

BBC: Cyber thieves target bitcoin owners

Mr Schroeder urged European leaders to rally round different - more egalitarian - values, dismissing a "one-size-fits-all" free-market solutions for the European Union.

BBC: Europe 'must tackle far right'

Moreover, had developing countries been able to realise significant carbon-trade values for natural forests under the first round of the Kyoto protocol, incentives to keep those forests intact would have been much strengthened.

ECONOMIST: Conflict of opinion