Hi, recently i read an article which says that bitcoin block size could be increased from its initial size of 1 MB to 4 MB.Even then,it could support only 27 transactions per second.If the block size is tried to increase more than that,then bitcoin's decentralized model would be compromised.When Visa processes between one and three thousand transactions per second and is capable of processing 56,000 transactions,how far could bitcoin be an efficient payment system in the future.Recently,block size has been increased to 2 MB.So,after two to three years,will we encounter similar transaction problems due to which we suffered recently?
If it would be so easy ... Problem is that big blocks requiere much more hardware which can lead to centralization. That's why is developed the solution of side chains, which are a posible scaling solution with the recently segregated witness (SW) soft fork. Side chains are neither an ideal solution because they could be a weak attacking point for an anti-crypto government. And that is why there was about 2 years of civil war in bitcoin, leading to altcoins capitalization explosion because btc seemed stuck in a never ending discussion.
Finally bitcoin achieved the SW and the people who disagreed created their own altcoin hard forking from btc to bch, which is similar to btc but without SW, with bigger blocks and with a new mining tricky adjustment dificulty (which I think is a disaster because it produce too many speed network unestability because miners can stop mining in certain moments in order to be able to mine easily later).