It did this by classifying such subsidiary sovereign debt as the highest quality collateral - which means that banks wanted an ample stock of it, just in case they needed assets to swap for central bank loans.

BBC: The eurozone's borrowing costs may stay lethally high

After four meetings, they agreed that he would serve as an adviser and swap the assets of his plan (content and contacts) for a then 7% stake.

FORBES: Dog fight

's cable division buy the assets of bankrupt Adelphia Communications and swap ownership of some areas.

WSJ: Key dates in the history of Comcast Corp.

Banks have become increasingly dependent on various forms of secured borrowing, especially in what's known as the repo market, which is where banks swap bonds and other assets for loans from hedge funds and specialist parts of banks (yes there are banks at both ends of this market).

BBC: Business

The main thing that accounts for the greater growth in total assets than bank reserves is the expansion of the Fed's swap facilities that allow participating foreign central banks access to dollars to meet the demand for dollars in their countries.

FORBES: Magazine Article

The steps here are first swap the remarked bank debt for equity shares in mutual funds while simultaneously selling the remarked bank assets to the mutual funds.

FORBES: Mr. Draghi's Dangerous Confidence Game