Herong's Tutorial Examples: Bitcoin

Free Chinese Calendar 2025 - Year of the Snake
Want to know when is the 2025 Chinese New Year day? Look for free Chinese calendars for 2025? Chinese New Year Date for Year 2025 The Snake 2025 January 29 Wednesday Chinese New Year ⇒ Free Chinese Calendar 2026 - Year of the Horse ⇐ Free Chinese Calendar 2024 - Year of the Dragon ⇑ Chinese New Y... 2025-01-12, ≈157🔥, 3💬

💬 2025-01-12 Al Sun: The yearly calendar is very clear and useful. Thank you. Would you have monthly calendars also, in simplified or traditional chi...

💬 2025-01-03 Herong: Hi Don, thanks for the suggestion. I will try to create a monthly calendar. Happy new year to everyone!

💬 2025-01-01 Don Tai: Thank you for sharing your time with the world. Your calendar is very nice. Maybe you could do a version with a single month on ...

1 2 3 4 5 > >> ∑:110 Sort:Date

bitcoin-cli Wallet Commands
This section describes wallet related 'bitcoin-cli' commands. 2022-08-16, ∼5933🔥, 2💬

💬 2021-08-13 Nicolas Darnis: Hi, I'm a BTC newbie, and sure it's not the right place to ask, but, I'm so deseperate... Sainx in advance if you could help. Qu...

Bitcoin Tutorials - Herong's Tutorial Notes
This book is a collection of tutorial examples on Bitcoin and blockchain. Topics include Blockchain, Bitcoin, Cryptocurrency, Merkle Tree, Mining, SHA256, Wallet. Key sections include: What is Bitcoin, What is blockchain, Bitcoin market value, Browsing Bitcoin data blocks on blockchain.com, Browsing... 2022-09-14, ∼5815🔥, 9💬

💬 2021-06-21 Ashish: thank

💬 2021-06-18 Bessie: ocalbitcoins clone script | Binance clone script | Remitano clone script | Paxful clone script | Wazirx clone script | Cryptocur...

💬 2018-03-07 Neil Shrestha-Birtch: Awesome stuff again! I want to build my skills to be a Core dev one day!

💬 2018-02-16 Cindy: Very good for beginners!

Decode Bitcoin Raw Transaction Format
This section describes how to decode a Bitcoin raw transaction format. 2023-11-04, ∼4898🔥, 7💬

💬 2023-07-19 ifeeluing: 200077f7b79147099db972e0817b12518091 930853421a75ca013d858ec01584cfac0063 036f7264010118746578742f706c61696e3b 636861727365743d7574...

💬 2020-01-14 stanimir: 499ea7359e1a6a69656d75f41f7f798fb158 8cbc0f8686130da0ecb4279a0946

💬 2019-09-02 qewr: 0100000001daf105fafc6e3e4f6ce2143b86 952ca8ee4d898415f2ec05349e41...

💬 2019-08-27 hi: 0100000002f64c603e2f9f4daf70c2f4252b 2dcdb07cc0192b7238bc9c3dacba...

"bitcoin-cli sendtoaddress" - Send Bitcoin
This section describes how to sent Bitcoins to another address test transaction on live.blockcypher.com. 2018-09-17, ∼3701🔥, 4💬

💬 2018-09-17 Herong: Berk, or you can use the "sendfrom" command: sendfrom <fromaccount> <tobitcoinaddress> <amount>

💬 2018-09-16 Berk: Thank you for replying. How to set default account?

💬 2018-09-15 Herong: Berk, To send bitcoin from Test 1 to Test 2, you need to: Set default account to Test 1. Get the address of Test 2. Run sendtoad...

💬 2018-09-12 Berk: How to sent by from wallet? I want to send by wallet to target wallet. For example: C:\>\local\bitcoin-0.15.1\bin\bitcoi n-cli.ex...

Calculate Double-SHA256 Hash with Python
This section describes how to calculate Double-SHA256 hash with Python. 2021-04-11, ∼3049🔥, 2💬

💬 2021-04-11 Max: Great Reference with HEX base, thanks

Block Hash Calculation in Python
This section describes how to calculate Bitcoin block hash in Python. 2023-04-29, ∼3046🔥, 2💬

💬 2018-02-16 Lee: This helped me a lot!

Uninstall Bitcoin Core for Windows
This section describes how to uninstall Bitcoin Core for Windows. 2023-02-10, ∼2148🔥, 63💬

💬 2023-02-10 Sophie: Trading isn’t easy without proper knowledge but that doesn’t mean it has stopped making people rich. Cryptocurrency is here to s...

💬 2022-06-18 firwarehacks: ⚠️CRYPTO TRADING SCAM ALERT⚠️ ❌ Crypro Trading, Forex Trading, Stock Trading and their likes are a means of making money but i...

Receive Test Bitcoin from testnet.coinfaucet.eu
This section describes how to receive test Bitcoin from testnet.coinfaucet.eu. 2023-05-18, ∼1376🔥, 2💬

💬 2023-05-18 anu: please help me give bitcoins

💬 2018-05-09 pankaj: Nice one to start with

Bitcoin Core Data File Location
This section shows where Bitcoin Core data files are located. 2022-10-01, ∼1338🔥, 0💬

Calculate Double-SHA256 Hash with Java
This section describes how to calculate Double-SHA256 hash with Java. 2023-07-12, ∼1230🔥, 2💬

💬 2023-07-12 Zvi: I finally found what I was looking for. Thank you very much and God bless you.

💬 2020-01-13 Kaala: I love you

"bitcoin-cli walletpassphrase" - Unlock Wallet
This section describes how to unlock with 'bitcoin-cli walletpassphrase' command. 2024-10-26, ∼1095🔥, 2💬

💬 2023-07-25 Elizabeth Ruth: There are many cases of cryptocurrency theft currently on circulation which I also fell victim last week but I was fortunate to ...

Data Structure of Coinbase Transaction
This section describes the data structure of a coinbase transaction. 2022-10-01, ∼1030🔥, 0💬

Bitcoin-Qt - Command Options
This section describes command options of Bitcoin-Qt - Bitcoin Core GUI 2022-10-01, ∼1014🔥, 0💬

Calculate Transaction ID
This section describes how to calculate the transaction ID from the raw transaction data. 2022-10-01, ∼988🔥, 0💬

Bitcoin Blockchain APIs
This chapter introduces Bitcoin Blockchain APIs. 2022-10-01, ∼972🔥, 0💬

"getblock blockhash 0" - Serialized Hex Block Data
This section describes how to get Serialized Hex Block Data. 2025-05-16, ∼954🔥, 3💬

💬 2018-02-24 Herong: Dan, please see Data Structure of Bitcoin Block section.

💬 2018-02-19 Dan: How to decode the block raw data?

Bitcoin Core CLI
This section describes what is Bitcoin Core CLI Programs. 2022-10-01, ∼950🔥, 0💬

Block Hash Calculation Algorithm
This section describes the Block Hash Calculation Algorithm. 2023-10-13, ∼874🔥, 1💬

💬 2023-10-13 00000000034ef34a7d9cb46b44a5473e: 00000000034ef34a7d9cb46b44a5473e9852 4a12f35232ef32387523b3c549da

View Transaction on live.blockcypher.com
This section describes how to view test transaction on live.blockcypher.com. 2023-06-01, ∼827🔥, 2💬

💬 2023-06-01 Thennarasu: Please TUFrmUBDiFWqkFyDhdxbhez9YQUhwRhahQ This is my USDT ADDRESS IN BINANCE

💬 2022-08-03 Duane Poston: Helpful app, with lots of info for your transaction details.

Archived: blockexplorer.com API - Get Transaction Data
This section describes how to get transaction data with blockexplorer.com API. 2020-03-25, ∼820🔥, 2💬

💬 2020-03-25 Herong: Chandana, do you know the transaction id?

💬 2020-03-21 Chandana De Silva: I need to know how to find "rawtx" of Bitcoin transaction. sisilchandana@gmail.com

bitcoin-qt - Wallet and Receiving Addresses
This section describes how to view wallet and receiving addresses on Bitcoin-Qt - Bitcoin Core GUI 2022-10-01, ∼783🔥, 0💬

bitcoin-qt - Debug Window Console
This section describes how to use the debug window console on Bitcoin-Qt - Bitcoin Core GUI 2022-10-01, ∼767🔥, 0💬

Bitcoin Wallet
This chapter introduces what is Bitcoin Wallet. 2022-03-31, ∼764🔥, 9💬

💬 2022-03-01 Albert Washington: Hi guys, I don’t have much to say right now rather than to say thank you to Dr Amber for rescuing me and my family from poverty....

💬 2022-02-20 Robert Earl:  

💬 2022-02-05 Robert Earl: HOW CAN I RECOVER BACK MY LOST FUNDS Expressive question entreated by victims. Here is the reason you need to know about the GLO...

"bitcoin-cli encryptwallet" - Set Wallet Password
This section describes how to use 'bitcoin-cli encryptwallet' command to set a password to protect my wallet. 2022-10-01, ∼718🔥, 0💬

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