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Cleaning up crypto: How much enforcement is too much?

Would a consensus algorithm like the one I describe work?

Given n nodes(miners/validators), Every unspent transaction output is broadcasted to all n nodes. Each node will select a batch of transactions and add it to their block. The specific mechanism of how they select transactions will be dependent on each node’s source code. A node gets randomly selected to add a block to the blockchain::Listen

Given n nodes(miners/validators),

  1. Every unspent transaction output is broadcasted to all n nodes.
  2. Each node will select a batch of transactions and add it to their
    block. The specific mechanism of how they select transactions will
    be dependent on each node’s source code.
  3. A node gets randomly selected to add a block to the blockchain with a chance of 1/n.
  4. The node broadcasts its block to all other nodes before adding the block to the chain. If the block contains illegitimate transactions or tampered data, other nodes will reject the block. A block gets added only if majority of the nodes in the blockchain agree that the block is valid.
  5. Before the block gets added, it is hashed along with the hash of the previous block.
  6. In order to incentivize people to set up their own nodes, a small
    portion of the actual transaction gets rewarded to the node that
    added a block. This is different from Ethereum’s additional GAS
    fees. It is more analogous to taxes, where 100% of the burden is on
    the seller(recipient of the cryptocurrency).

This algorithm also guards against many common security issues:

  1. Corrupting data of previously added nodes: Resolved, since even if a malicious actor tampers with data of previously added blocks, the protocol can always compare the hashes of the tampered chain with that of every other node(nodes constantly communicate), and update its chain to the ‘correct’ chain(once again accepting majority’s chain as correct data, assuming that the 51% rule is always observed).
  2. Adding a faulty block in the first place: Resolved, since it is
    impossible to add a block without getting approval of majority of
    nodes. Even if a malicious actor adds the block to its own chain,
    other nodes wouldn’t add it to theirs, causing the malicious node to
    eventually update an obsolete chain.
  3. Data retrieval is also based on proof of majority, so every time a transaction occurs, it checks with all n nodes to find a valid historical precedence of the transaction(e.g. A can only send 100 crypto to B if he or she owned it in the first place) and accepts the majority’s historical record(once again proving why it is meaningless for malicious nodes to update their own chain)

This algorithm doesn’t cost huge amounts of computing power and money to purchase equipment(unlike PoW) and doesn’t cost anything to set up nodes aside from basic equipment cost(unlike PoS).

It should work as a potential consensus algorithm, but I want critiques on potential flaws of the consensus algorithm. Furthermore, blockchain technology is becoming more and more mainstream, but it is rather difficult to research about different consensus algorithms without taking graduate level math. What’s the easiest way for newly acquainted scholars of blockchain technology to study it and stay up to date with latest developments?

Cleaning up crypto: How much enforcement is too much?

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