Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &

Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &
Key item features Ultimate Security: Generates a private key that remains on the card, safeguarding crypto and NFTs from hackers with EAL6+ certification and audited firmware. Versatile Compatibility: Manages over 13,000 tokens across 70+ blockchains, supporting DeFi, NFTs, and DeEx without wires, Bluetooth, or USB. Effortless Operation: Utilizes NFC for secure transactions via a mobile device and the Tangem app, enabling buying and selling crypto with various payment methods. Smart Backup: Features a second Tangem Wallet as a backup, eliminating the need for paper, pictures, or seed phrases for recovery. Durable Design: Boasts IP68 protection against environmental conditions, ensuring longevity and robust physical security. Comprehensive Support: Compatible with Bitcoin, Ethereum, Solana, XRP, USDT, and over 6,000 cryptocurrencies, integrating with dApps and WalletConnect.

LBANK

LBANK

How to generate coinbase transaction in Python

I know that on this forum a lot of questions on this topic, I check this all (not all but most) and can't find the solution for my task. I am create my own algorithm for mining Bitcoin on Python, this one for solo mining. So, I wrote all necessary methods for this, including hashing Merkle root, calculate block header etc. But now, I stack about few weeks on coinbase transaction. I check materials from here (https://learnmeabitcoin.com/technical/mining/coinbase-transaction/) about this and try to implement all logic for this, but can't fully understand how to make this. I wanna include new rules (BIP34 - block header, BIP141 - SegWit tx) in this algorithm, but my knowledge about hashing this is not enough :( Can someone provide maybe more materials, some samples of code, or describe details about generating coinbase transaction? Any information will be very helpfull, hope on your help. Also, I training on Bitcoin core in regtest mode, and when I use "generatetoaddress" method (for generate blocks) this one doesn't gen coinbase tx with BIP34 & BIP141 requirements, maybe I need set more config for this one? I found someone say about blockversion arg, is it true? Thank you all ^^ P.S. If i miss some details about my task, fell free to ask and I provide all info which I have, of sample of code which I have (it's not working)



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