Where do massive amounts of unconfirmed mempool transactions come from?

[sindikat]

Also consider that the article is pretty much from the times that there were not so much bitcoin users.

At the moment, even when the mempool is about to be full, there is a large percent of unconfirmed transactions from regular users as the amount of bitcoin users is growing.

Even on spam attacks times, I don't think that it should be an excuse, bitcoin protocol should be holding all kinds of attacks including DDOS attacks sch as spam attacks.
I hope that the condition improves once lightning network comes out.

I heard that was sent to a large number of small transactions which created a great place. It's not DOS attacks. This is not possible to be ready, but I am glad that this can't last forever. Too expensive to do this method of spamming. This means that very soon bitcoin will return to its former price range.

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[Hell-raiser]

I don't know whether it was because of spam attacks, but it was obvious that miners were gaming on difficulty oscillations between Bitcoin and BCH which resulted in BCH having a higher hashrate than Bitcoin, but now as usual the profit-driven miners are returning. The backlog is clearing up. The good thing to come out of this is Slush Pool temporarily becoming the largest pool with 20.8%, simply great. The percentage of Segwit transactions is still around 10. LN implementation might take a few more months, but I am hoping there would be a much needed solidarity in the mining space, more non-chinese pools.

Lightning Network activation may in fact take many years, if ever, and it may require a new hard fork, Bitcoin Cash style. SegWit took more than a year to finally get activated, and what year that was! SegWit itself is a minor improvement, and while it should pave the path to LN, Lightning Network will be the last thing that Bitcoin miners would agree to. Simply because it would kill their cash cow, and their revenue flow will run dry.

And don't forget the reward halving in just two years.

[krishnapramod]

Lightning Network activation may in fact take many years, if ever, and it may require a new hard fork, Bitcoin Cash style. SegWit took more than a year to finally get activated, and what year that was! SegWit itself is a minor improvement, and while it should pave the path to LN, Lightning Network will be the last thing that Bitcoin miners would agree to. Simply because it would kill their cash cow, and their revenue flow will run dry.

And don't forget the reward halving in just two years.

Lightening Network is in progress, no ETA as of yet. Yeah, implementation might take a couple of years or even a few years. As far as LN and miners are concerned, LN is neither a soft fork nor a hard fork, an additional layer on top of the Bitcoin network so implementation of LN doesn't require consensus.

[Hell-raiser]

Lightning Network activation may in fact take many years, if ever, and it may require a new hard fork, Bitcoin Cash style. SegWit took more than a year to finally get activated, and what year that was! SegWit itself is a minor improvement, and while it should pave the path to LN, Lightning Network will be the last thing that Bitcoin miners would agree to. Simply because it would kill their cash cow, and their revenue flow will run dry.

And don't forget the reward halving in just two years.

Lightening Network is in progress, no ETA as of yet. Yeah, implementation might take a couple of years or even a few years. As far as LN and miners are concerned, LN is neither a soft fork nor a hard fork, an additional layer on top of the Bitcoin network so implementation of LN doesn't require consensus.

That sounds good if true. But I still don't understand why it will take so long to develop and implement? It has been in the works for years already and it got activated in Litecoin more than half a year ago. What prevents it from being activated in Bitcoin at least by some of the nodes in the test mode of operation if it doesn't require either hard or soft fork and can be run without changes made to the underlying Bitcoin infrastructure?