There is no single public “history score” that tells you whether a Telegram account is genuine. Instead, evaluate several independent indicators.
Start with the claimed creation date, but treat it as a starting point rather than proof of quality.
An older profile may be attractive because it has existed for longer, but age alone does not guarantee stability, trust, or useful activity. A seller who emphasizes age while providing little additional information should be approached carefully.
Ask whether the account's other characteristics support the age claim. If the account is described as established and active, but there is no evidence of meaningful usage, the listing may be overstating its value.
Profile changes can provide useful context. Frequent changes are not automatically suspicious, because legitimate users change usernames, photos, descriptions, and other details for many reasons.
However, unusual patterns deserve attention.
For example, consider whether:
The username has changed repeatedly.
The profile description has been replaced several times.
The account suddenly has a completely different identity.
The current profile does not match the historical description.
The seller cannot explain major changes.
A credible history does not have to be perfect, but it should be reasonably explainable.
Public group and channel participation can provide additional context. An account that has genuinely been used over time may have a broader footprint than an account created and stored without meaningful activity.
At the same time, group membership should not be treated as automatic proof of legitimacy. Accounts can join large numbers of groups without making meaningful contributions.
Look at the overall pattern instead of counting memberships. A smaller number of relevant communities can sometimes be more informative than hundreds of unrelated groups.