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They can although Ethereum fees can outpace the bank fees. HBD certainly does mirror your comment.

Exactly;) not cost on HBD at all even after transferring millions of it

HBD with zero direct transaction fees is very powerful. It is something that cannot be overlooked.

Exactly 💯
Other Crypto should have minimum transaction fee too 😕

Depends upon the network capacity.

What you mean by Network Capacity?

The amount of transactions it can process at a given time. When networks get busy, they get more expensive.