The network’s miners then check the hash to see if the unconfirmed block is valid. This is a time for celebration among crypto miners because the proof of work has finally been completed. From the user's perspective, this essentially implies that the sender's cryptocurrency transfer to the receiver has been confirmed and will be added to the blockchain as part of the block.
III. 4JNET’s four guaranteesMSB license: 4JNET has secured the U.S. MSB license for encrypted tokens and is allowed to lawfully engage in initial coin offerings (ICOs), initial exchange offerings (IEOs) and encrypted token transactions.Transparency: All business logics of 4JNET are achieved through smart contracts. All of the contract’s addresses and codes are open sourced.Contract audit: 4JNET’s smart contract has been audited by the blockchain security company CertiK, and its security and fairness are further guaranteed.Fairness: 4JNET’s unique mechanism effectively curbs the token oligarchs and centralized holding of tokens.IV. Conclusions

Since then “the group has had a decidedly low profile. It has an active online fundraising page, but its website is offline. A Facebook page is ‘liked’ by only nine people. Its Twitter account has zero followers and only one tweet from April, soliciting input for a survey on veterans’ concerns. A search of media databases shows no instance of the group being mentioned in news stories.”
While the recent price history suggests that a meaningful rebound is imminent, it is crucial to pay attention to Bitcoin’s interaction with the 50 four-hour moving average at $62,000. Any increase in selling pressure that leads to a break of the support level could invalidate the optimistic outlook.