Polkadot System Chains Upgrade Passes as DOT Tests Lower Bollinger Band Support at $2.88 DOT price trades at $2.88 down 2.7% as unanimous referendum approval for system chains upgrade provides positive catalyst amid broader crypto weakness testing key technical support levels. (Read More) Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ November 3, 2025 3:16 am