unpledged

These uncommitted delegates, who will arrive at the Democrats’ summer convention unpledged and can choose whom to vote for, have been the only thing between Biden and a clean sweep thus far.

All Democratic governors, U.S. senators and representatives, current and former Democratic National Committee chairs, and former presidents serve as unpledged delegates.

Delegates can be divided into two broad categories: pledged and unpledged, as Democrats call them, or bound and unbound, as Republicans call them.

"We can always contribute additional bitcoins to maintain the required loan-to-value ratio ... even at current prices, we continue to maintain more than sufficient additional unpledged bitcoins to meet our requirements under the loan agreement."

If he puts up more shares as collateral to secure margin loans of $12.5 billion he may be left with roughly 30 million unpledged shares, according to a Reuters calculation.