Unlocking Blockchains with Python

Building Crypto Prototypes and Data Tools

Max N
2 min readFeb 22, 2024
Photo by Clint Adair on Unsplash

As cryptocurrency adoption accelerates across finance and tech domains, blockchains prove uniquely suited for securely recording transactions and data in decentralized, transparent ledgers.

But accessibility barriers still prevent hands-on explorations for many developers and enthusiasts starting out.

Luckily Python, renowned for beginner friendliness and versatile data tooling, helps bridge this gap through intuitive abstractions over complex blockchain concepts.

By walking through some fundamental examples, we’ll better appreciate how Python grants blockchains opportunities for broad inclusive innovation beyond just trading coins.

Wallet Creation and Key Management

At their core, blockchains rely on public-key cryptography for validating identities sending and receiving transactions. Python’s cryptography libraries generate and store identity keys easily:

import os
from bitcoinlib.wallets import HDWallet, wallet_delete_if_exists
from bitcoinlib.mnemonic import Mnemonic

entropy = os.urandom(32)
wallet_delete_if_exists('MyWallet')

mnemo = Mnemonic('english')
h = HDWallet.create('MyWallet', mnemonic=mnemo.to_mnemonic(entropy)…

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Max N

A writer that writes about JavaScript and Python to beginners. If you find my articles helpful, feel free to follow.