That write-lock would then block other transactions.

然后该写锁阻塞了其他事务。

youdao

When subsequent account POIDs are required, they will be allocated immediately from this reserved block, eliminating the need for additional remote database transactions.

当接下来还需要帐户POID时，服务会立即从这个保留的块中予以分配，这样就减少了额外远程数据库事务的需要。

youdao

More dramatically, many merchants block all transactions from certain countries.

更有甚者，许多商家拒绝所有来自这些国家的交易。

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Last year, U.S. lawmakers succeeded in pressuring Belgium-based SWIFT electronic payment system to block Iranian transactions.

CENTERFORSECURITYPOLICY: Center for Security Policy | US Congress to Target European Central Bank to Stop Iran from Using Euros

There are no documented cases of bank employees using FIX vulnerabilities to block financial transactions.

FORBES: Hacking Capitalism

The UN's Secretariat was charged with its execution, but the Security Council maintained a sanctions committee that reserved the right to block any transactions requested by Iraq.

ECONOMIST: A fair-minded report at a crucial time | The