Bitcoin Q&A: Block Reward, Reorg Protection, and Immutability

Published on June 17, 2021

Latest high defination online streaming top searched Work at Home, Relationship Tips, Dating Help, Ten Tips, and Are Private Blockchains Immutable, Bitcoin Q&A: Block Reward, Reorg Protection, and Immutability.

What is the waiting period before miners can spend the block reward / coinbase transaction? Why does this protect against chain reorganization? How much energy would it take to reverse the chain back to the genesis block? Should we sustain immutability with proof-of-work or move to proof-of-stake?

These questions are from the Scottish Blockchain Meetup and the July monthly patron session, which took place on June 19th and July 27th 2019, respectively. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron:

Consensus Algorithms, Blockchain Technology, and Bitcoin –
Advanced Bitcoin Scripting Part 1: Transactions and Multisig –
Advanced Bitcoin Scripting Part 2: SegWit, Consensus, and Trustware –
What is Consensus: Rules without Rulers –
Forkology: A Study of Forks for Newbies –
Bitcoin: Where the Laws of Mathematics Prevail –
Software distribution security –
What is mining? –
The mining process –
Nonces, mining, and quantum computing –
Iterating nonces and the block reward –
Miners, pools, and consensus –
Mining, energy prices, and fee market –
What is difficulty targeting? –
Genesis block and coinbase transactions –
Cryptographic primitives –
The rules of Bitcoin (part 1) –
The rules of Bitcoin (part 2) –
Rules versus rulers –
The value of proof-of-work –
Could a state-sponsored 51% attack work? –
Honest nodes and consensus –
Spam transactions and Child Pays For Parent (CPFP) –
Is Bitcoin a democracy? –
Governments versus Proof-of-Work or Proof-of-Stake –
Decentralized power, leaderless governance –
What is the role of nodes? –
Why running a node is important –
Spam transactions and Child Pays For Parent (CPFP) –
Energy consumption –
Solar energy and mining in space –
Bitmain and ASICBoost allegations –
Binance hack, chain rollback? –

Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in Bitcoin. He is the author of “Mastering Bitcoin,” “The Internet of Money” series, and “Mastering Ethereum.”

Follow on Twitter: @aantonop

Subscribe to the channel to learn more about Bitcoin & open blockchains; click on the red bell to enable notifications about new videos!


Translations of MASTERING BITCOIN:


Translations of THE INTERNET OF MONEY:
Spanish, ‘Internet del Dinero’ (v1) –
German, ‘Das Internet des Geldes’ (v1) –
German, ‘Das Internet des Geldes’ (v2) –
French, ‘L’internet de l’argent’ (v1) –
Russian, ‘Интернет денег’ (v1) –
Vietnamese, ‘Internet Của Tiền Tệ’ (v1) –


Music: “Unbounded” by Orfan (
Outro Graphics: Phneep (
Outro Art: Rock Barcellos (
Join the aantonop Channel:

Are Private Blockchains Immutable

Are Private Blockchains Immutable, Bitcoin Q&A: Block Reward, Reorg Protection, and Immutability.

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