According to @adam3us, older Bitcoin transaction filters were size based, while Luke aimed to implement heuristic content-based checks inside script, source: @adam3us on X, Aug 27, 2025, twitter.com/adam3us/status/1960721222368469036. @adam3us adds that such content-based filtering is trivially bypassed and represents an unwinnable arms race, which BitMEX Research demonstrated, source: @adam3us on X, Aug 27, 2025, twitter.com/adam3us/status/1960721222368469036. For traders, this indicates policy-driven attempts to curb specific transaction patterns are unlikely to be durable, so assumptions about blockspace constraints should not rely on heuristic filtering effectiveness, source: @adam3us on X, Aug 27, 2025, twitter.com/adam3us/status/1960721222368469036.