Homework on UTXO vs Account Model

Ethereum 101
#2326

  1. Because we can fit more transactions in one block because they take less space.

  2. Because you can look in transactions and see that guy was sending money back to himself or to another person, you can’t send both - to you and another person in one TX.

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#2327
  1. Less space (less code) is easier to transact by the computers, and lower fees
  2. An account model is public and can see who sends and receives, and a UTxO model is more difficult to understand to which addresses the contract is send,
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#2328

Homework on UTXO vs Account Model - Questions

  1. The account model doesn’t require much space as the UTXO model, why is that a benefit?

It is beneficial because it diminishes the Constraints on the network. Requires less data on the network. instead of summing up all Transactions to receive a sum. The sum is already there. The transaction orders are short and easy to define. There for the transactions take less space and time.

  1. How is the account model not as great as the UTXO model for privacy?

In The Account model transactions are easy to audit. Any one from the outside can view the source and the recipient including the content.

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#2329
  1. The account model doesn’t require much space as the UTXO model, why is that a benefit?
  • Because in UTXO model use much space for the transaction for inputs and outputs, instead in Ethereum the transaction is very simple which process from A to B with less space.
  1. How is the account model not as great as the UTXO model for privacy?
  • Because in UTXO is difficult to know the transaction to which person has been sent, it might be to your own account or someone else account, instead account model the transaction pass through directly from the sender to the receiver.
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#2330
  1. The blocks are able to process more transactions per second as the reduced space required allows for more transactions.
  2. Outsiders can more easily track the spend of wallet address as the protocol reuses these address in each transaction. The hash of each address in a UTXO is different each time depending on the information contained within the transaction data.
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#2331

  • The account model doesn’t require much space as the UTXO model, why is that a benefit?
    It lightens up the block, reducing size. This allows for faster processing.

  • How is the account model not as great as the UTXO model for privacy?
    Account model allows for easy tracking of parties sending/receiving the money due to the simplicity of the transaction.
    UTXO model allows multiple outputs and recipients in one transaction making it harder to track the end users.

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#2332
  1. Space saving is great. Being able to do more transactions is a good thing.
  2. UTXO model is more hidden. ETH transactions you can clearly see who is receiving what whereas in bitcoin it is more “sneaky”.
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#2333

1.One block can store more transactions, increase storage efficiency.
2.On the account model you can see where the money is being sent and who is receiving it . On the UTXO you don’t really know who is receiving the amount of money

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#2334
  1. less data used more transactions per block
  2. you can only send funds to 1 account at a time with ethereum whereas with utxo’s you can have multiple outputs so you cant see where the funds have been sent between those outputs
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#2335

  1. Because the freed up space can be used for other things like smart contracts

  2. Because you can send any arbitrary amount and there is no ‘spare change’ to send back to yourself discreetly

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#2336

The account model doesn’t require much space as the UTXO model, why is that a benefit?

The less space taken comes from the account model just stating balances and moving funds. The benefit in that sense is: it makes it very easy to code transactions (“move from A to B”).

How is the account model not as great as the UTXO model for privacy?

There is no way to send money back to myself in a transaction or nest various transaction in- and outputs.

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#2337

  1. Less space means more transactions on one block.

  2. There are not multiple outputs of a transaction, No routing coins back to the outbound wallet.

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#2338

  1. The account model doesn’t require much space as the UTXO model, why is that a benefit?
    This transaction are simpler, they take less space.

  2. How is the account model not as great as the UTXO model for privacy?
    With UTXO you can send money back to yourself. It’s impossible in an output transaction to see whether the money have been sent back to yourself or someone else making it more discreet and secure.

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#2339

  1. Faster transaction time

  2. Fungibility

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#2340
  1. The account model doesn’t require much space as the UTXO model, why is that a benefit? It is a benefit since it doesn’t require as much space more transactions can fit in the block making the network faster and cheaper.
  2. How is the account model not as great as the UTXO model for privacy? In the account model it is clear to which account the money goes in UTXO transactions can go to many addresses which makes it harder to trace the owner.
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#2341

  1. Because we save the space in the block which means we can get more TX’s.

  2. Because we can see exactly where and how much ether is being send.

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#2342
  1. Transactions will be smaller, so fees will be less.
  2. It can be easier to follow the flow of money. However, it is more fungible.
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#2343

1.A Transaction doesn’t have inputs or outputs , its just transferring Currency between accounts, which makes the Transaction faster due to a smaller size
2.P2P Basis( peer to peer) is the simpler way to track Transactions, UTXO tracing is alot more difficult due to all the different outputs

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#2344

  1. In the ethereum blockchain there must be room for the codes and the state of the smart contracts in addition to the transaction part itself

  2. Anyone outside the blockchain can in the account model see how much you sent in each transaction and to which address you sent it, that is not possible in the UTXO model

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#2345

  1. The account model doesn’t require much space as the UTXO model, why is that a benefit?
    The model becomes more simple and efficient this way making transactions cheaper and faster.

  2. How is the account model not as great as the UTXO model for privacy?
    The account model is not as private due to wallet re-use.

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