Go

• **Part 7: Network**
• **Part 4: Transactions 1**
• **Code your own blockchain in less than 200 lines of Go!**
• **Part 2: Networking — Code your own blockchain in less than 200 lines of Go!**
• **Code your own blockchain mining algorithm in Go!**

Java

• **Creating Your First Blockchain with Java, Part 1** - Tutorial-Part-1)

JavaScript

• **Writing a Tiny Blockchain in JavaScript**
• **Node.js Blockchain Imlementation: BrewChain: Chain+WebSockets+HTTP Server** - - Protecting the tea making ledger from unscrupulous colleagues
• **Node.js Blockchain Imlementation: BrewChain: Chain+WebSockets+HTTP Server** - - Protecting the tea making ledger from unscrupulous colleagues
• **Build your own Blockchain in Javascript/Visualization of Blockchains**

Kotlin

• **Let's implement a cryptocurrency in Kotlin**
• (Source)

More

• **Build your own Blockchain / Cryptocurrency**

Python

• **Let's Build the Tiniest Blockchain In Less Than 50 Lines of Python (Part 1)**
• **Let's Make the Tiniest Blockchain Bigger With More Lines of Python (Part 2)**
• **Build Your Own Blockchain: A Python Tutorial**
• (Source)
• **Learn Blockchains by Building One (in Python)**
• **Part 1: Creating, Storing, Syncing, Displaying, Mining, and Proving Work**
• **Part 2: Syncing Chains From Different Nodes**
• **Part 3: Writing Nodes that Mine and Talk**
• **A Practical Introduction to Blockchain with Python**
• (Source) - - The fastest way to learn how Blockchains work is to build one
• (Source)
• **Build Your Own Blockchain: A Python Tutorial**
• (Source)

Ruby

• **How Does Bitcoin Force Consensus Among Byzantine Generals?**

Rust

• **Part 1: Blocks and Hashing**
• **Part 2: Mining**
• **Part 3: Chains and Checks**
• (Source)

SQL

• **Blockchain by Example in SQL Server**
• **Blockchain by Example in SQL Server**

Talk Notes

• **Blockchain! Blockchain! Blockchain! - Build Your Own Blockchains in JavaScript from Zero (Scratch)**
• **Blockchain! Blockchain! Blockchain! - Build Your Own Blockchains in Ruby from Zero (Scratch)**
• **Blockchain vs (Hyper) Ledger -- Inside (Hyper) Ledger Lite - Add Transactions One Block at a Time and Balance the Accounts (Books)**
• **Blockchain! Blockchain! Blockchain! - Build Your Own Blockchains in Go from Zero (Scratch)**

The Best Crypto Quote "Oracle Saying" of the Year 2020 Award Goes To...

• Merkle tree

Books

• **Learn Enough Git to Be Dangerous** - FREE (Online Version) --
• **Pro Git** - FREE (Online Version) --

Open Distributed Databases on Git

• **football.db** - open public domain football datasets (incl. clubs, national teams, leagues, match schedules, etc.)
• **world.db** - open public domain world (country) datasets
• **beer.db** - open public domain beer & brewery datasets
• Gerald Bauer @ Austria Codes

Quotes - Blockchains and Git

• Yaakov
• Yaakov
• Nicolás Berger
• Nicolás Berger
• Jackson Kelley
• Git Commands

The Open Blockchains Book of the Year 2020 Award Goes To...

• **Libra Shrugged: How Facebook Tried to Take Over the Money**
• Awesome Diem (formerly Libra) and Move page »
• **100+ Best of Crypto Quotes - I HODL, you HODL, we HODL! - BREAKING: BITCOIN JUST BROKE $22 000! page »**

• **Best of Crypto Books page »**