[Brazilian Court Accepts Lawsuit Against Coldcard Founder, Wallet-Promoting KOLs Listed as Defendants] According to Livecoins, a lawsuit against the founder of Coldcard has entered the Brazilian judicial process, with some victims listing KOLs who previously promoted the wallet as defendants. Based on Brazilian case law, opinion leaders engaged in paid promotions are considered part of the consumer chain and bear legal responsibility as 'suppliers' under the Consumer Protection Act.