Trump has previously branded cryptocurrencies a scam, but he changed his line and during his campaign has praised them and promised to make the United States the world's centers for bitcoin and cryptocurrencies.

“The price of Bitcoin has followed Trump’s position in opinion polls and the betting market. Investors estimate that the victory of the Republicans would increase the demand for digital currencies", says Russ Mold, an analyst at the financial company AJ Bell, to the AFP news agency.

In the United States, the stock exchanges in New York were on the plus side at the end of the trading day on Tuesday after the previous day's declines.

The technology-focused Nasdaq closed up by a percent 1.4, while the more general S&P 500 was up 1.2 percent. The Industrial-oriented Dow Jones, on the other hand, ended the day with a 1.0 percent increase.

The dollar is initially weakened against the euro, but began to rise in Asian markets against both the euro and the Japanese yen as Trump's lead. Stock exchange rates were also rising in various parts of Asia. In Tokyo, the Nikkei 225 index ended by a percent 2.4.

The presidential race is a struggle between Democrats Kamala Harris and Republican Trump.

Trump has proposed a combination of low corporate tax rates and looser regulation that would be boosted by corporate profits and tighten the stock market, experts told ABC News.