Are TESTNET bitcoins a valid currency?
As a keen observer of the cryptocurrency market, I'm curious to understand the validity of TESTNET bitcoins. Could you please elaborate on whether TESTNET bitcoins are considered a valid currency? While I understand they are used for testing purposes on the Bitcoin network, there seems to be some debate on whether they have any real-world value or utility. Could you clarify the difference between TESTNET bitcoins and those on the main Bitcoin network, and provide your insights on whether TESTNET bitcoins are considered a valid form of currency? Thank you for your time and insight into this matter.