Bitcoin is 'vulnerable' to this. The most common use is to put financial transactions on Bitcoin, but you can put whatever binary data you want. Famously the genesis block[1] includes a newspaper headline to prove it was created after a specific day.
It's possible to place illegal content onto the Bitcoin blockchain.
So anyone running a mining node could potentially be prosecuted for distributing illegal content? That definitely seems like it will be a massive issue in the future.
It's possible to place illegal content onto the Bitcoin blockchain.
[1] - https://en.bitcoin.it/wiki/Genesis_block