Segwit Reading Assignment

Blockchain and Bitcoin 101
#4075

  1. Bitcoin cash. Increasing the size of the block.

  2. Malleability of the transaction hash signature got fixed.

  3. Segwit enable the ability for Lightning network to exist by solving issues.

  4. No, but most have implemented Segwit.

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#4076

1.The proposed alternative to segwit was to increase the block size (from 1mB to 2mB), this was an exapansion of the rule set therefore a hard fork.
2. Segwit solved the transaction malleability attack by removing signatures from the input data.
3. The adoption of the segwit protocol enabled layer 2 solutions like the lightning network to exist.
4. No one is forced to use segwit, it was a soft fork, people/companies etc can adopt as to their needs. Bitcoin Cash is the other fork.

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#4077

What was a proposed alternative to Segwit?
Because transactions were full in the limit of block size 1 Mb and the way to increase block size may lead to the problem below:
The larger block take more time to sent them though network and the time increase in propogation that also lead to problem stale block and hard fork.
It means take more time for my block to reach other miner and then they might be mining on unnecessary block.
So, Segwit can help solve full block without make those problme by remove signature to decrease size of each transaction in the block because the block already append to the blockchain.It not need to verify anymore and if we want to verify signature, we can query from the larger node.

What did Segwit solve more than just the scaling issue?
Segwit solve problem about full block size and transaction Mallebility that someone can change the transaction ID in the transaction hash that has been sent by adjust the signature.

How is Segwit and the Lightning network connected?
SegWit supports the development of second layer protocols which is the lightning network

Are people, wallets and other services forced to use Segwit?
No because it is optional for people want to save fee and Segwit use soft fork development.

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#4078

What was a proposed alternative to Segwit?
• A hard for which would increase the block size
What did Segwit solve more than just the scaling issue?
• Malleability – a flaw that allowed anyone to change small details (not tx content), which in turn changed the tx ID
How is Segwit and the Lightning network connected?
• The lightning network is allowed to make transactions offline, off the chain. The SegWit fix therefore made unconfirmed txs less risky, at least until they’re set on blockchain by users.
Are people, wallets and other services forced to use Segwit?
• Since SegWit is a soft fork, old addresses and transactions can still be used, therefore the overall implementation is being slow.

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#4079
  1. increase of the block size
  2. it solved malleability
  3. second layer applies
  4. old can still be used
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#4080
  1. What was a proposed alternative to Segwit?

The proposed alternative to Segwit was to increase the block size, but this would have only been a temporary fix.

  1. What did Segwit solve more than just the scaling issue?

Segwit also solved a major security issue found with transaction malleability where a bad actor could modify a transaction’s signature therefore changing it’s Transaction ID and could claim never having received such transaction. This could lead to outright theft if the other party was not aware of what was happening.

  1. How is Segwit and the Lightning network connected?

Segwith and the lightning network are connected because the malleability fix made any feature that relied on unconfirmed transactions less risky and easier to design.

  1. Are people, wallets and other services forced to use Segwit?

People, wallets and other services are not forced to use Segwit since it is a soft fork, but are incentivized by faster confirmation times and lower transaction fees.

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#4081
  1. What was a proposed alternative to Segwit?
  • to increase the block size --> which is applied in Bitcoin cash
  1. What did Segwit solve more than just the scaling issue?
  • tx malleability
  • development of second layer protocols
  1. How is Segwit and the Lightning network connected?
  • segwit allows for the development of Lightning Network
  1. Are people, wallets and other services forced to use Segwit?
    No, but if they use Segwit they will benefit from the lower tx fee.
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#4082
  1. What was a proposed alternative to Segwit?
  • To increase the limit of the block
  1. What did Segwit solve more than just the scaling issue?
    1. It also solved the issue of transaction malleability.
  1. How is Segwit and the Lightning network connected?
  • second layer solution is possible by introducing Segwit
  1. Are people, wallets and other services forced to use Segwit?
  • Its an option but if adatability reaches 95% it will go forward
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#4083

  1. Increasing the block size.

  2. Makes it so the transaction signature is separated from the transaction itself and cannot be changed solving the malleability problem.

  3. Allowed the layer 2 Lightning network to operate with greater security as it was then possible for nodes to send transactions without having to wait for confirmation by miners.

  4. Segwit was a softfork so people, wallets, and other services were not forced to upgrade their protocol as those operating with the pre-segwit protocol are still able to operate on the bitcoin network.

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#4084

  1. An increase in block sizes.

  2. It resolves the issue about transaction malleability and lowers fees.

  3. It made second layer solutions available.

  4. No. It’s optional until a certain consensus is reached.

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#4085

What was a proposed alternative to Segwit?
A proposed alternative was to increase block size.

What did Segwit solve more than just the scaling issue?
It solved transaction malleability.

How is Segwit and the Lightning network connected?
Segwit made second layer possible.

Are people, wallets and other services forced to use Segwit?
No. Segwit is a soft fork.

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#4086

What was a proposed alternative to Segwit?
increasing the actual size of a block

What did Segwit solve more than just the scaling issue?
yes he also fixed the issue with tranaction malleability

How is Segwit and the Lightning network connected?
Segwitt enabled development of second layer protocols like Lightning network

Are people, wallets and other services forced to use Segwit?
only if you want to use bitcoin, there was a seperate fork created for Bitcoin Cash where they chose to create larger blobk size limits

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#4087

Even if you are using bitcoin, you are not forced to use Segwit because it is a soft fork.

#4088
  1. Increasing the block size,
  2. Transaction malleability, by segregating the signature from the block.
  3. Two layer protocol.
  4. They are not force to use SegWit but the other are starting to support it.
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#4089

  1. new concept called block weight, increasing size to 4mb with base transactions remaining at 1mb

  2. Segwit fixed transaction malleability and also allowed for second-layer protocols as well as enabling a boost for more complex smart contracts, transaction capacity, and an anonymous top-layer network.

  3. Segwit’s malleability fix made any feature that relied on unconfirmed transactions less risky and easier to design. The lightning network will further boost bitcoin’s transaction capacity by taking frequent, small transactions off-chain, only settling on the bitcoin blockchain when the users are ready.

  4. No.

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#4090

1.to increase the block space for transactions on 2Mb.

  1. segwit increased the blockchain security,and solved the hash issues.

  2. by solving these things,segwit opened the door for lightning network to start making layer 2 on blockchain.

  3. they are not forced,it was a soft fork. wallets are starting to implemet it by their own will.

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#4091

  1. Raising block size limits. There were also other alternatives, such as FlexTrans.

  2. SegWit solved the Tx Malleability glitch, which allowed people to change their signatures and, therefore, change their transaction’s TX hashes.

  3. Segwit made Lightning possible by making unconfirmed transactions less risky. It also enabled MAST and Schnorr signatures, as well as TumbleBit.

  4. As it is a soft fork, old nodes were not forced to update, therefore being able to continue verifying blocks the old way.

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#4092

  1. To increase the block size to 2mB

  2. It also solve transaction malleability.

  3. The Segwit soft fork made second layer protocols like the lightning network possible.

  4. No. Segwit was a soft fork.

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#4093
  1. The alternative proposed was simply to increase the mB size of the block
  2. Segwit also fixed a “bug” or vulnerability called Transaction Malleability which allowed for the alteration of the signature data without altering the data in the block. By taking out the signature data, it allowed to increase the number of transaction allowed in the 1mB limit. The segregated signature data then forme part of what was called the Block Weight, which comprised the 1mB transaction data plus a 3mB allowance for signature data to a total of 4mB.
    The changes avoided the need to create a hard fork, which was a benefit and it allowed for the development if second layer protocols which relied on unformed transactions.
  3. The lightning network allows the development of off chain applications allowing a theoretical increase of the main chain hash power, by settling the off chain transactions in the main chain only when required.
  4. No, by definition a soft fork does not push people out of the network. However it obviously does not mean that it isn´t desirable to adapt to the new protocol. For example in not doing do, second layer applications would simply not run on the unadapted nodes.
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#4094
  1. A proposed alternative to Segwit was to increase the block size to a higher number than 1 Mb, but this would have constituted a hardfork
  2. Segwit solved the malleability issue by moving the script (signature) outside of the block, which as an added bonus reduced the size of each transaction by 60% on average, which helped provide at least a temporary relief on the block size, and even a more material benefit in allowing apps and smart contracts to be developed on bitcoin blockchain, given that the malleability issue was resolved.
  3. The Lightning network could not have worked if the malleability issue had not been resolved by Segwit.
  4. By keeping the block size at 1 Mb, people, wallets and other services could still use the bitcoin blockchain even without using Segwit
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