A $15 million Qatari cash infusion was paid out to Hamas as it began paying to thousands of its employees and other Palestinians, after receiving funds from Qatar.
On Thursday, a Qatari envoy brought the money through Israel in three suitcases through the Erez crossing point.
The Qatari official delivered the cash to senior Hamas officials, who called on thousands of Palestinians to arrive at post offices to receive their salaries.
A statement by the Palestinian Authority, however, said that the Qatari grant was a "cheap price that Hamas received for the precious blood" of the Palestinians in the Gaza Strip.
The statement further accused Hamas of exploiting the plight of the Palestinians to "continue with its conspiracies, which is in concordance with the Zionist-American conspiracy aimed at separating the West Bank from the Gaza Strip."
"Hamas leaders are prepared to align themselves with the devil in order to remain in power and undermine the Palestinian national project," the PA statement charged.
Qatar has reportedly pledged to pay a total of $90 million to Hamas over the next six months.