Modern technology has become essential in our lives, and it made our dealinglives easier.

The sentence as you wrote it is not incorrect, but I feel like changing just this one word makes it sound more natural.

One of these is a CIt has helped create cashless societyies.

Your sentence here does not work because "one of these" does not have a clear referent.

Nowadays many people rely on payments without cashcashless payments.

Since these days we depend on technology in generala lot these days, it has becomes easier for us to just holduse a debit or visa card and purchase anything we want and anywhere, including the supermarkets.

This also can secure us from crimes based on the robbery or anyone who tries to steal from us forcan keep us safe from crimes such as robbery.

In contrast, if you lose your debit card, for example, there is no way that anyone takes the cash out of itcan withdraw cash without knowing the pin codePIN.

"In contrast" does not work here because you are not actually contrasting with anything you already said. You are actually giving an example to support your previous sentence.

iIt also protects our society from money laundering that, which many people trying to do under the term "legal stealing".

Moreover, if we want to invest in anything with a large amount of money, it becomes much easyier to just transfer the money from aone bank account to another.

Despite the benefits ofWhile a Ccashless society has benefits, there are also a few disadvantages.

Not all people can understand the process of how that methodhow it works, especially for elderly people.

Furthermore, I believe that this method may letad to people spending more money than what they wantthan they intended without noticing that!

tThat's because there are not holding cash with their hands and notice that the cash is decreasingy cannot physically see cash leaving their hands.

Modern technology has become essential in our lives, and it made our dealingday to day operations easier.

We wouldn't really use 'dealings' in this way, I think you should be more specific, are you talking about day to day operations, habitual actions, commercial operations etc and use that instead

Onan example of theseis is a Cashless society.,

Nas nowadays many people rely on payments without cash.

make this a part of the previous sentence, rather than its own.

Since these days weCurrently, we have a general dependency on technology in general, it becomes, making it easier for us to just hold a debit or visa card and purchase anything we want and anywhere, including thein supermarkets.

There's nothing wrong with this sentence, but the beginning seems a bit clunky, just for more fluid writing i'd use the rephrase

This can also can secure us from crimes based on the robbery or anyone who tries to steal from us for.

it also protects our society from money laundering that many people trying to do under the term 'legal stealing'.

Moreover, if we want to invest in anything with a large amount of money it becomes much easyier to just transfer the money from aone bank account to another.

Despite the benefits of a Ccashless society, there are also a few disadvantages.

Not all people caneveryone understands the process of how thatis method works, especially for elderly people.

Furthermore, I believe that this method may let people spend more money than what they want without noticing that!it,

that's because therey are not holding cash with their hands andandling physical cash and may not notice that the cash is decreasing.