What is blockchain IFO

1. bitcoin is a kind of virtual digital currency proposed by Nakamoto in 2009. It is characterized by no centralized issuing institution and a fixed total of 21 million pieces. It is not a one-time issue and needs to be proced by miners. Due to the decentralized structure, trust needs to rely on cryptography and consensus mechanism technology to achieve
blockchain is a general technology derived from bitcoin. It implements a decentralized database model. Bitcoin can be called blockchain 1.0 because it has no concept of smart contract. The key technologies of blockchain include cryptography encryption and decryption and consensus mechanism. Blockchain is generally used to combine with specific business logic, which needs to rely on smart contract, which provides an execution mode free from human interference
the IPO of ICO originates from the concept of initial public offering (IPO) in the stock market. It is the behavior of blockchain project to issue token for the first time, raise bitcoin and solve Ethereum and other common digital currencies.

2. O is offering, which can be understood as IPO
ICO (initial coin offering). Initial token issue refers to the first time that blockchain projects issue tokens to the public, and raise mainstream cryptocurrencies such as bitcoin and Ethereum to obtain funds for project operation
IFO (initial fork offerings), which is a new token generated by bifurcating bitcoin and other mainstream cryptocurrencies
IEO (initial exchange offers) refers to the issue of token with the exchange as the core; The token skips the ICO step and goes directly to the exchange
IMO (initial miner offers) refers to the first issue of tokens through the sale of hardware / miner.

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Calling 120 is not to call a certain hospital, but to enter the local 120 command center. The command center will arrange the nearest hospital for emergency treatment according to the specific situation and the location of the patient

taking Yantai 120 emergency center as an example, Yantai 120 emergency center has a domestic advanced 120 emergency command system, which can realize the whole process computer scheling, one dozen one check three field display, emergency vehicle GPS (Global Positioning System), video monitoring, vehicle dispatch information led display and other advanced functions, and realize the whole process dynamic management of emergency information

extended data:

the main responsibilities of 120 emergency center include:

(1) to be responsible for the organization, coordination and unified dispatch and command of the city's social medical emergency

(2) set up 120 special medical call line to receive calls 24 hours a day, collect, analyze, process and store social medical emergency information

(3) undertake the tasks of social medical emergency support for major festivals, large gatherings, conferences and other major activities, and dispatch and command of medical emergency rescue for public emergencies in the city. When the conditions are met, they can undertake part of the pre hospital emergency tasks

(4) to be responsible for the management of the city's social medical emergency network and guide the emergency work of each emergency station

(5) organize the publicity and training of medical knowledge and skills of social medical emergency and the academic exchange of emergency medicine