a lot of side-channel information can be hidden in text, see https://arxiv.org/html/2510.20075v6 https://arxiv.org/html/2510.20075v6 where they hide as much tex

a lot of side-channel information can be hidden in text, see https://arxiv.org/html/2510.20075v6 https://arxiv.org/html/2510.20075v6 where they hide as much text as the source text itself