The assessment that the statement is 'likely_true' is based on strong, consistent, and direct evidence from multiple high-authority sources. The primary source for this event is a Wall Street Journal article that explicitly reports on a "direct, confrontational exchange" between Jamie Dimon and Brian Armstrong, citing multiple people familiar with the matter. This account is directly corroborated by other credible news outlets, including CoinDesk and a Dow Jones newswire summary, which also report on the clash. The CoinDesk article further solidifies the claim by mentioning a specific, contentious quote attributed to Dimon during the exchange. There is no conflicting evidence presented in the provided sources; the lower-authority sources are simply irrelevant to the specific event rather than offering a counter-narrative. The consistency across several reputable publications, all pointing to a direct interaction, makes the claim highly credible.