According to BitMEX Research on Twitter, the presence of 'junk' data in a blockchain increases blockchain bloat and raises node operation costs, but they clarify that all types of data contribute equally to these issues, not just 'junk' data. This is why the blocksize limit exists—to control blockchain size and keep node costs manageable for traders and operators (source: BitMEX Research Twitter, May 1, 2025). Understanding the blocksize limit is critical for crypto traders evaluating transaction costs and network efficiency.