First-order effects

• Coinbase's lawyers gain a concrete talking point for any enforcement proceeding: the SEC approved the company's own public listing while allegedly treating its core business as unregistered securities activity, forcing the agency to defend that inconsistency on the record.
• The SEC now faces litigation risk that implicates not just Coinbase's conduct but the commission's own prior decisions, raising the stakes beyond a standard enforcement case.

Second-order effects

• Other crypto firms under Wells notices have a template to copy — blame-shifting via the regulator's past approvals and unanswered rulemaking petitions — which raises the cost of the SEC's enforce-first approach across every open case.
• The strategy pressures the SEC to either answer Coinbase's rulemaking questions or risk courts adjudicating crypto classification for it, a loss of control over the pace of its own rule-setting.

Third-order effects

• If this pattern holds, crypto regulation increasingly gets settled through adversarial court filings rather than SEC guidance, with companies like Coinbase filing amicus briefs and petitions to shape the battlefield before suits even land — a structural shift from requesting rules to litigating them into existence.
• A sustained 'regulator shares responsibility' defense could chill future enforcement against large regulated-adjacent firms generally, since any agency that green-lit a company's market debut inherits liability arguments in later disputes.