I think there will be 3 massive changes
1. REPLACEMENT OF FIAT AND BITCOIN.
Have a look at this infographic,
http://i2.wp.com/money.visualcapitalist.com/wp-content/uploads/2015/12/all-the-worlds-money-and-markets-dv.png?Taking into account that all gold in the world is worth $7.8trillion, all money $28.6trillion, stocks markets $70trillion and a global crypto market cap between $28.6 and $70trillion is not unrealistic.
That is only if crypto actually replaces FIAT.
So,let’s say that crypto grows by 150x from today $300Billion to $50Trillion.
I also don’t think that Bitcoin will be around at that point still, some say it will function as digital gold but the tides can change extremely quickly in crypto.
So,when one cryptocurrency manages to gain mass adoption,Bitcoin could decline by 98% within 3 years quickly.
Maybe by then,Bitcoin will find its maximum at $70,000-$100,000 within next year since all bull runs make 17x returns on Bitcoin on average. Then,the 70% crash will come,like with all bull runs on average back to $21,000-$30,000 and then it will probably stay between $20,000 and $40,000 for a few years,but then slowly lose market share again.
Since Bitcoin technology is pretty bad and if Bitcoin doesn’t become 1,000x more scalable,more energy friendly,more decentralized and more faster it will disappear.
The way it looks right now, I don’t see it being able to catch up with other cryptocurrencies which innovate 5x faster than Bitcoin,Bitcoin is just too slow to innovate.
They have hundreds of developers and every change needs to get signed off by the community and this paralyses innovation.
2. IMPLOSION AND RECOVERY OF THE BANKING INDUSTRY.
Since the main service of bank is storing money,likely its services will not be needed anymore within the 3 years,80% of bankers will lose their jobs and 80% of banks will probably have to shut down.
However,a few banks will survive,the ones which create services around cryptocurrencies such as loans, payment gateways,consulting and security improvements.
3. IMPLOSION OF VERY LARGE INDUSTRIES AND SUBSEQUENT RESHAPEMENT.
The blockchain will have the impact on a very complex industries, where there are lots of gatekeepers and middlemen that take out money and put it into their own pockets.
Then blockchain democratizes everything and take the power from very few to the many.
And there are 12 industries that i identified as such,these are;
1. Voting
2. Healthcare
3. Gambling
4. Pension funds
5. Energy
6. Gaming
7. Real-Estate
8. Lending
9. Ticketing
10. ISPs
11. Decentralized Storage
12. Security Identification
Conclusion;
1. Crypto will likely balloon to a $50trillion market cap from currently $300billion.
2. Banks will likely implode and completely reshape.
3. Many more industries will likely implode and completely reshape.