Blockchain helps to securely store information on it in a transparent way that cannot be changed by anyone

Yes this is why it makes it a suitable avenue for users to run their stuff fair and square without any one feeling like he or she was cheated.

Many blockchain networks cannot share information with other blockchains and this is a big disadvantage

Yes that is true. We sometimes even see it with crypto networks where we can’t send an different currencies to one network or the funds will be lost.

A suitable example is deepcypto8 which is only meant for steem deposits.

If a user makes a mistake and send sbd there then it means his funds are lost.

tokenization of real estate assets on the blockchain

Wow I think this is really great to hear about.

So in this case, does it mean both parties will not meat on ground but will only meat after the final deal has been struck?🤔