Virtual Currency development topics (blockchain technology in the core of the Shanzhai is what?) )

Blockchain Enthusiast (qq:53016353)

First, what is the core of the Shanzhai coin (bitcoin-core). The Shanzhai core (Bitcoin-core) was upgraded by an older version of the BITCOIN-QT client (version 0.9.5)


, small partners can now go to: bitcoin.org, download the latest core version 0.9, after downloading the note check Sha256sums's signature


Names are consistent.


Second, what new features.
1, the new payment function, the Shanzhai Foundation chief scientist Gavin once put forward in the BIP70 the new payment function of the cottage currency, namely


Users can use the URL or email to make a counterfeit payment, such changes greatly increased the convenience of the use of the cottage, and for the future


A broader commercial expansion has laid the groundwork.






2, reshape the bitcoin core agreement, Bitcoin core 0.9 to the key function of the Shanzhai, removed the old version of some


Additional features, these additional features will be developed as separate in the Wallet section.
Core 0.9


For a long time, the small partners did not very good to the cottage coin wallet (BITCOIN-QT in the client) and the Shanzhai network area apart, which


Bitcoin Core 0.9 emphasizes the existence of the core, Bitcoin core 0.9 is designed for the Shanzhai network. In the next


In the Non-core version, the Shanzhai core team will design the client wallet for the Shanzhai player.


3, the new payment process, Bitcoin Core 0.9 in the design of a new payment process. The Shanzhai developer has made the payment function in the old version


Big changes, small partners can easily create payment requests, and send to the payer.
Payment process


4. Receive payment control function. To facilitate the use of advanced users, Bitcoin core 0.9 has introduced the payment control function, the small partners


You can choose the address of the change for yourself. In the old version, the change is done automatically by the system, and now you can set the change manually.


。


Change


In addition, you can control which addresses are used in the payment. This function is convenient for the payee in the blockchain above the query, but also


To protect your privacy. If you have an address that you don't want the recipient to see, then don't forget to use this feature.




Select Address


Other changes for everyone's concern, has caused the MtGox collapse of the shape of the problem, Shanzhai core developer Mike Hearn said:


Bitcoin Core 0.9 has been able to significantly identify and remove the problem node that repeatedly sends a transaction request and tries to confirm it. About


Miner floating fee system, Mike Hearn said the need to look at the market reaction, but also need to upgrade later to make the rate problem more


Flexibility.
The five-year-old cottage coins in the five years have experienced a lot of blows, but still tenacious growth, Satoshi in the design of the cottage coins


The future development strategy for him, namely: the DAC autonomous structure in the de-centric mode. As the world's only computing-based


Program of the DAC system, Shanzhai coins are moving towards a brighter future.


Third, how to upgrade.


The upgrade takes a few simple steps:


Operating Environment Cent OS Linux 64-bit system, dual core, 2G memory, 100G HDD


Prepare before Upgrade:


~/.bitcoin file contains blockchain data and wallet, without any changes, after running the new version of Bitcoin-core, the program will automatically


Connect chunk data and wallets. But just in case, it's best to back up your wallet files in advance, location: ~/.bitcoin/wallet.dat


。


If you use other systems, divert can. That is: do not change the. bitcoin file location, download a new version, stop the old version


, run the new version.


Upgrade:






2. Find the appropriate version of your system and download it to your local


Tar-xvzf bitcoin-0.10.2-linux64.tar.gz


3. If the old version is running, pause the old version of Bitcoind
./bitcoind Stop
4. Go to the new version folder and start Bitcoind
CD ~/bitcoin-0.10.2/bin
./bitcoind &
5. Bitcoind connected to the Shanzhai network, 30s to one minute after the input./bitcoin-cli GetInfo, if you see


Connections is already in place and blocks is catching up to the latest block, which means the upgrade was successful.
root@localhost:~/bitcoin-0.10.2/bin#./bitcoin-cli GetInfo
{
"Version": 110000,
"ProtocolVersion": 70002,
"Walletversion": 60000,
"Balance": 10.51,
"Blocks": 349659,
"Timeoffset":-1,
"Connections": 14,
"Proxy": "",
"Difficulty": 46717549644.70642090,
"Testnet": false,
"Keypoololdest": 1400836523,
"Keypoolsize": 2001,
"Paytxfee": 0.00000000,
"Relayfee": 0.00001000,
"Errors": ""
}