Wall Street tactics akin to the ones that fostered subprime mortgages in America have worsened the financial crisis shaking Greece and undermining the euro by enabling European governments to hide their mounting debts.

As worries over Greece rattle world markets, records and interviews show that with Wall Street’s help, the nation engaged in a decade-long effort to skirt European debt limits. One deal created by Goldman Sachs helped obscure billions in debt from the budget overseers in Brussels.

Even as the crisis was nearing the flashpoint, banks were searching for ways to help Greece forestall the day of reckoning. In early November — three months before Athens became the epicenter of global financial anxiety — a team from Goldman Sachs arrived in the ancient city with a very modern proposition for a government struggling to pay its bills, according to two people who were briefed on the meeting. More here.