Baidu Encyclopedia of digital currency

Publish: 2021-04-28 18:09:07

They are:

the concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's ideas, the open source software was designed and released, and the P2P network was built on it. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system

bitcoin cash

bitcoin cash is a new version of bitcoin with different configurations launched by a small number of bitcoin developers

extended data:

virtual currency refers to non real currency. Well known virtual currency, such as network company's network currency, Tencent company's Q currency, Q point, Shanda company's voucher, Sina's Micro currency (used for micro games, Sina reading, etc.), chivalrous Yuanbao (used for chivalrous road game), silver pattern (used for bixue Qingtian game)

the popular digital currencies in 2013 are bitcoin, Leyte coin, infinite coin, quark coin, zeta coin, BBQ coin, pennies (Internet), invisible gold bar, red coin and prime currency. At present, hundreds of digital currencies are issued all over the world. Popular in the circle & quot; The legend of "bitcoin, Wright silver, infinite copper, pennies aluminum"

2. There is no explanation because there is no relevant regulation
there is no legal virtual currency in China. On the premise of indivial's free will, the behavior and consequence of buying and selling virtual currency shall be borne by themselves, and shall not be protected by law.

3. Ha ha, consciously stay away from the script and purify the national service environment.

Etc = electronic toll collection system, is the highway or bridge automatic toll collection. Through the special short-range communication between the vehicle electronic tag installed on the vehicle windshield and the microwave antenna on the etc lane of the toll station, the computer networking technology is used to carry out the background settlement processing with the bank, so as to achieve the purpose that the vehicle can pay the highway or bridge fees without parking at the toll station of expressway or bridge

the system needs to install on-board devices with vehicle information on the vehicle. When the vehicle enters the entrance of the electronic toll collection channel, the station information device of the highway data acquisition and processing system reads the vehicle information in the vehicle mounted device, and transfers the matching vehicle data from the database to release the data. At the same time, the storage records are uploaded to the data management center of the highway data acquisition and processing system. p>

the data management center analyzes the passing vehicles, forms the dection transaction, uploads it to the bank in real time, and the bank returns to the data management center in real time after completing the transaction processing

< H2 > extended data

etc system carries out wireless communication and information exchange between on-board devices installed on vehicles and antennas installed on toll station lanes. It is mainly composed of vehicle automatic identification system, central management system and other auxiliary facilities. Among them, the automatic vehicle identification system is composed of on-board unit, also known as transponder or electronic tag, road side unit (RSU), loop sensor, etc

the OBU contains the vehicle identification information, which is generally installed on the windshield in front of the vehicle, the RSU is installed next to the toll station, and the loop sensor is installed under the ground of the lane. The central management system has a large database, which stores a large number of registered vehicles and user information

Estimated Time of ArrivalETA——预计到达时间

Estimated Time of DepartureETD——预计开航时间

ESTIMATED TIME OF CLOSINGETC——截关日

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Baidu Encyclopedia of digital currency

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