This file grows to 10GB and is never cleaned up. It regenerates quickly after deletion (deleted one day, back to 10GB the next).
canvas = Image.new("RGBA", (CANVAS_SIZE, CANVAS_SIZE), (0, 0, 0, 0))，这一点在新收录的资料中也有详细论述
，更多细节参见新收录的资料
Anyways, that is the fundamental vulnerability that no amount of encryption-decryption pipeline sophistication can close. You can make the key as complicated as you like. You can rotate keys per session, per user, per chunk. But eventually, the data has to come out the other end in a form the browser can decode. And that moment is yours to intercept.
camera.position.z = 40;。关于这个话题，新收录的资料提供了深入分析