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Stock markets constitute the largest electronic commerce market in the world. The tremendous growth in trading volume and
the need for fast and accurate transaction execution has made the stock market one of the most technology friendly markets.
The fastest growing stock exchange, NASDAQ, is a wholly electronic stock exchange with all transactions conducted over computer
networks. However, the transaction model used by NASDAQ and other electronic stock markets still borrows heavily from the
older traditional models used by non-electronic stock exchanges. Two important requirements of modern day stock market transactions
are: (a) customer's ability to place sophisticated transaction orders to buy/sell stock, and (b) customer's ability to detect
transaction delays. Modern electronic stock exchanges lack both the ability to place newer, more sophisticated transaction
orders and the ability to detect delays in transaction execution.
In this paper, we propose a protocol for stock market transaction that can model a new sophisticated model for transaction
orders while continuing to support traditional transaction orders. The protocol is augmented with a mechanism to detect delays
in transaction execution. It is further shown that the protocol proposed is secure, atomic, anonymous, private, and incurs
low overhead costs.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
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