$BTC

It seems like you're referring to "BTC 7," but could you clarify what you mean by it? BTC often refers to Bitcoin, the cryptocurrency, while "7" could imply a version, update, or something else. Let me know more details so I can provide an accurate response.

Here’s a sample 100-character progress update with hashtags:

"BTC 7 is making steady progress, introducing enhanced security and faster transactions. #BTC7 #Crypto #Blockchain #Fintech #Innovation"