https://s3.postimg.org/r3qks7kbn/download_1.jpg

Bitcoin is on the road to increasing its capacity – but it's not there yet.
Despite the claim bitcoin has been upgraded to support Segregated Witness-style transactions.

In fact, due to the complexities of keeping bitcoin's distributed network in unison, the change might not take hold until late August.

# The Timeline

That said, with BIP 91 activated, bitcoin is now headed down a path toward that possible outcome.

This means dat  BIP 148, a proposal that seeks to upgrade the network to SegWit using different code, is no longer likely (though it's still possible). 
As such, one avenue that would find bitcoin splitting into two blockchains has been diminished.

Rather, SegWit now needs to follow a timeline designed to give miners and node operators ample time to upgrade their software.

## How This Might Unfold:

https://s3.postimg.org/wcb99r3o3/segwit-timeline.png

As illustrated above, miners must now signal support for SegWit until the code achieves "lock in" and "activation," two separate milestones with unique requirements.

## Short-Term Complications

It's Possible that bitcoin's miners could stop signaling support for SegWit ahead of the BIP 141 "lock in" deadline .

While all nodes appear to be signaling correctly, it's hard to know exactly who is running the software – this means that miners could fail to reject a block that wasn't signaling for SegWit, continue adding new blocks on top of that block, and ultimately, produce an alternative chain.

As much as 75% of litecoin's mining hashrate, for instance, was signaling for SegWit in April, meaning it reached the necessary threshold to lock in SegWit. 

## Long-Term Complications

But even if SegWit passes, that still only enacts one-half of the Segwit2x proposal.

An informal agreement among businesses and miners reached in May, the goal of the initiative was to push the capabilities of the software even further .

developer put forward in an interview this weekend, he still plans to help push forward an effort that would seek to upgrade the block size to 2MB, and to enact the upgrade via a process known as a hard fork.
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