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1. Can the blockchain address be queried?

You can view it with a blockchain browser.
If the address you entered is incomplete, please enter the wallet address you want to query in the search input box. However, after this address has previously conducted ETH transactions or queries on the blockchain, the input box will automatically fill in the address you query. address.
Click Query and all information about the wallet address will appear.
Click on the transaction hash to also see the details of the transaction.
The principle of querying the blockchain browser:
Because the transaction information and other data in the blockchain are open and transparent, the blockchain browser is the address for querying the blockchain transaction records, and users can use It looks at its own transaction information and other information stored on the blockchain.
Most of them can be checked, which is a major feature of the openness and transparency of the blockchain. The address is transparent. As long as there is an address, you can query the transfer.

2. How to develop a browser development solution based on blockchain

The blockchain browser is the main window for browsing blockchain information. Each block contains All recorded contents can be viewed from the blockchain browser. Usually digital asset users will use a blockchain browser to query the transaction information recorded in the block. The main function of the blockchain browser solution developed by Yingtang Zhongchuang is that it records in detail the confirmation process of each block and the generation and distribution process of digital currency, and completely records the transactions between each block. The circulation situation of digital currency, thus more completely and openly disclosing the stock, increment, turnover rate and other information of digital currency. The only thing hidden is the owner behind each block.

3. Recommendations for better domestic blockchain browsers

Currently there are many domestic blockchain browsers, including LTC Browser, Anmo, tokenview, etc. Personally, I recommend the LTC browser, which supports second-level query of Litecoin wallet address, transactions, latest block, block height, hash and other information

4. What channels can be used to query Bitcoin on-chain data< /p>

Blockchain is an important concept of Bitcoin. It is essentially a disintermediated database. As the underlying technology of Bitcoin, it is a series of related cryptographic methods. Data blocks. Each data block contains information about a Bitcoin network transaction and is used to verify the validity of its information (anti-counterfeiting) and generate the next block.

The data on the Bitcoin blockchain is what we call on-chain data, which generally includes: Bitcoin active addresses, new addresses, and continuous active addresses. , reactivation address, on-chain transaction volume, number of on-chain transactions, TSP, on-chain transaction transfer fees, large transfers, mining difficulty and other data.

We generally use the blockchain browser to query the on-chain data of certain blockchains, bit The most commonly used blockchain browsers for coins are：

https://www.blockchain.com/explorerhttps://blockexplorer.com/https://insight.bitpay.com/https://btc.com/

More blockchain projects, blockchain investments, blockchain applications, blockchain celebrity related information, all at Lian Xiaohu: https://www .lianxiaohu.com/

5. Summary of addresses of various blockchain browsers

1. USDT-BTC browser:
1. https://www .omniexplorer.info/
2. https://www.oklink.com/usdt

2. BTC Browser:
1. https://btc.com/
2. Bitcoin/Transaction https://blockchair.com/
3.btc JSON-RPC: https://github.com/btcsuite/btcd/blob/master/docs/json_rpc_api.md #getbestblockhash

3. ETH Browser:

6. If your deposit or withdrawal is slow, please check the confirmation progress on the blockchain browser first

Blockchain browser:

1. BTC transfer progress query (2 confirmations):

https://btc.com
< br />2. BCC transfer progress query (2 confirmations):

https://blockdozer.com

3. ETH transfer progress query (30 confirmations):

https://etherscan.io

4. LTC transfer progress query (4 confirmations):

https://live.blockcypher .com

5. USDT transfer progress inquiry (2 confirmations):

https://omniexplorer.info

6. NEO transfer progress Query (5 confirmations):

https://www.antchain.xyz

7. IOTA transfer progress query (1 confirmation):

https://thetangle.org

8. XLM transfer progress Query (1 confirmation):

https://stellarchain.io

9. QTUM transfer progress query (6 confirmations):

https://qtumexplorer.io

10. BTS transfer progress query (1 confirmation):

https://www.cryptofresh.com

11. HSR transfer progress query (10 confirmations):

http://explorer.h.cash

12. GXS transfer progress query (1 confirmation) ：

https://block.gxb.io

7. How to use the blockchain browser to check whether the contract is locked

1. Open the browser Enter the address: https://etherscan.io/.
2. Enter the contract address you want to query in the box in the upper right corner, enter the address and click "GO".
3. Enter the information details page after entering the contract address.
4. We click on the contract name to view the contract details.