So, SegWit does
not increase the block size limit, but it does enable a greater number of transactions within the 1 MB blocks.
The reason that Bitcoin Cash was created is that Bitcoin developers and users couldn't reach a consensus on whether or
not increasing the block size was a good decision.
Not exact matches
The second part of SegWit2x, which would
increase the
size of
blocks that underpin bitcoin's network, is set to go into effect next month and
not everyone is on board with the proposed change.
While miners have signaled their intention to
increase the
block size limit in November, the most popular distribution of Bitcoin software, Bitcoin Core, has decided they will
not adopt Segwit2x.
The SegWit2x, an
increase of Bitcoin's
block size limit to 2 MB (that isn't backward compatible and can only be applied as a hard fork)
Bitcoin ABC has contained within its release a dynamic difficulty adjustment, does
not include SegWit, and
increases the
block size to 8 MB.
Most ordinary Bitcoin users do
not own a full node and ironically, if they did, it is quite possible they could
not afford its maintenance after a hypothetical abrupt
block size increase.
This time imbedded in the BTC1 implementation developed by Bloq co-founder Jeff Garzik, the New York Agreement's SegWit2x is scheduled to
increase Bitcoin's «base
block size limit» to two megabytes by November — an incompatible protocol change that could split the Bitcoin network in two.And it did
not take much to recognize how unpopular the proposal was in Paris.
The
increased distance causes the moon's apparent
size to be smaller, so it doesn't
block the entire face of the sun.
The bitcoin rate decrease can reflect the investors» concerns regarding the major Chinese mining pools switching to a different protocol in case if Bitcoin Core developers do
not release a new client with the
increased block size of 2 Mb.
They seem to have a strong belief that bitcoin will
not be able to scale long term, and any
block size increase is a slippery slope to a future that they are unwilling to allow.
«Unfortunately Bitcoin simply doesn't scale well, so we don't have any easy way to respond to
increased demand other than the fee market;
block size can be bumped, but that
increases centralization.
He noted the possibility of a «disaster» if the
block size limit is
not increased that would be caused by transaction delays and fee
increases, but he understands that the Bitcoin Core contributors who attended the Hong Kong meeting can
not speak for those who were
not there.
Bitmain in particular has explicitly stated their refusal to implement SegWit if it's
not combined with a hard fork
increase of the
block size limit, and its pools — which include the BTC.com mining pool — have enough signaling power to
block SegWit's activation.
But this does
not mean that all
blocks in the Bitcoin Blockchain network will immediately
increase upto 2 megabytes in
size.
This has several advantages, including — but
not limited to — a malleability fix, more flexible programmability, and an effective
block size limit
increase.
It also suggests that a hard fork to further
increase the
block size limit could be needed in the future, though it does
not specify a specific point in time.
By creating a new part of a Bitcoin
block for the witness data, Bitcoin's
block size could be
increased in such a way that non-upgraded nodes wouldn't notice.
Meanwhile, while these proposals were being put forward and tested, a group of major Bitcoin miners who previously supported the SegWit2x proposal decided that deploying SegWit without
increasing the
block size would
not be sustainable, as it would simply delay the scaling issue due to the
size limit.
(Members of Core agreed, citing it as a niche belief that bitcoin wouldn't ever
increase its
block size).
The current mining pool software is running Bitcoin Unlimited, but Ver says a specific plan for
increasing the Bitcoin
block size has
not been chosen at this time.
At most, SegWit is a short - term supposed solution that will
not create the velocity of use needed to drive up the market price of bitcoin to its highest potential, while SegWit2x will only modestly
increase the
block size to 2 MB.
Two attempts to
increase Bitcoin's
block size limit via hard forks — Bitcoin XT and Bitcoin Classic — have failed to gain much support in terms of network hashrate, but early bitcoin advocate and angel investor Roger Ver is
not giving up on the cause.
While Bhardwaj claims
increasing the
block size limit via a hard fork is
not a complex alteration in terms of code changes, the controversial aspect of such a change is that it requires a hard fork (and thus all users moving over to a new network), which can be difficult to coordinate — unless the proposed change is itself uncontroversial.
This indicates they don't want a hard fork at all, and don't want to
increase the
block size limit either.
Most ordinary Bitcoin users do
not own a full node and ironically, if they did, it is quite possible they could
not afford its maintenance after a hypothetical abrupt
block size increase.
Based on the current quality of hardware, I don't think
increasing the
block size up to four megabytes will be a problem for the foreseeable future.
As the Scaling Bitcoin conferences have shown, miners are generally in support of cautious
increases of the
block size limit — just
not abrupt
increases — because such sudden change could undermine the foundation of the Bitcoin network.
Firstly, while company leadership had initially been on the side of those who wanted to
increase the bitcoin
block size, Coinbase didn't support the asset from the outset, angering plenty of bitcoin holders on the platform, who were to receive an equivalent amount of bitcoin cash.
Simply
increasing the
block size to 8 MB still will
not accommodate a global transactional network and will only lead to more centralization of the network.
Increasing the
size of
blocks to some arbitrarily high number unfortunately isn't a solution to the scalability issue.
Mining giant Bitmain has said its pools will
not run SegWit without any
increase in
block sizes at the same time.
This does
not increase the network's
block size limit, but it does
increase the volume of possible transactions.
But SegWit2x does
not only mean to apply the Segregated Witness to the network, but also to
increase the
block size to 2 MB.
His explanation of how the
block size limit could be raised does
not imply any contradiction, it's just Satoshi saying that when a
block size increase makes sense it can be done.
What it comes down to, in the end, is
not whether a hard fork — either to
increase Bitcoin's
block size or to implement Segregated Witness — is objectively good or bad.
It could, and
increasing the
block size to 8 megabytes is
not a perfect solution in this sense, but it's an improvement.
Furthermore, some developers — often (but
not always) those in favor of
increasing the
block size limit through a hard fork — prefer to deploy Segregated Witness as hard fork as well.
Garzik's political appeal was balanced by an equally strong academic appeal in which he said that a
block size increase alone would
not be enough, and that the community would need to continue to drive scaling solutions forward regardless.
This is
not to say that a hard - forking
increase to Bitcoin's
block size limit can
not be made; it just needs to be balanced with the tradeoffs made when it comes to the cost of operating a full node.
As it became increasingly apparent that 1 MB
blocks weren't going to support Bitcoin transaction volume for much longer, supporters of on - chain scaling chose to develop a protocol that would
increase the
block size to 8 MB.
This
increase in
block size to 2 MB technically will
not actually centralise Bitcoin but the actual issue here is the implied transfer of power away from the Bitcoin Core team.
Apart from implementation of the lightning network, a sudden
block size increase to 2 MB or even beyond will
not solve any real long term scalability issues but a split in community or a «political fork» might result in loss of trust for the general community.
It is hard to remember a time when Bitcoin community wasn't arguing about the
increase in
block size.
Well, we may see another boost in interest if miners don't follow through with the 2 MB
block size increase to Bitcoin Classic (don't make me call it that) in November.
Bitcoin Cash, on the other hand, does
not suffer from these same drawbacks as it has an «
increased block size of 8mb» built into its blockchain technology, which means it can accelerate the verification process and adjust as the number of users grows.
Maybe BIP101 is
not the right strategy but the
block size needs to be
increased.
While the developers
increased the
block size, they did
not benefit monetarily from the creation of Bitcoin Cash.
The people that oppose
block size increase want to keep bitcoin on the fringe... and
not mainstream.
But opponents of
increasing the
block size note that this will lead to the centralization of the bitcoin network and the concentration of mining capacities in the hands of large miners because it will
not be possible to mine larger
blocks for small miners.