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The Weekend Update

JLN PRESS ROOM PICK OF THE WEEK

From Punch Cards to Crypto: One Man’s Journey Through Wall Street’s Tech Revolution

John Rapa never imagined his part-time college job would lead to a front-row seat for Wall Street’s technological transformation. But over five decades, he’s witnessed the industry’s evolution from paper tickets to blockchain – and he’s still grappling with how to explain Bitcoin to his grandparents.


“Markets are evolutionary, not revolutionary,” says Rapa, now CEO of the consulting firm Tellefsen & Company. His career has spanned roles at brokerages, exchanges, and tech vendors, giving him a unique perspective on finance’s digital upheaval.



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From Punch Cards to Crypto: One Man’s Journey Through Wall Street’s Tech Revolution

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FROM JOHN LOTHIAN NEWS

Thomas Peterffy on ForecastEx: Building a Buy-Only Market to Transform Event Trading and Crowd-Based Insights


Thomas Peterffy, founder of Interactive Brokers, shares insights into his latest venture, ForecastEx, an innovative platform designed to create a new market for event-based contracts in an interview with John Lothian News. ForecastEX provides traders a unique “buy-only” model where participants take yes or no positions on the probability of future events, challenging traditional speculation while aiming to yield broader societal insights. 


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From Punch Cards to Crypto: One Man’s Journey Through Wall Street’s Tech Revolution


John Rapa never imagined his part-time college job would lead to a front-row seat for Wall Street’s technological transformation. But over five decades, he’s witnessed the industry’s evolution from paper tickets to blockchain – and he’s still grappling with how to explain Bitcoin to his grandparents.


Watch Now

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