When you block someone on Snapchat, it basically makes your account “disappear” for them and cuts off contact, but it does not fully erase the past.

Quick Scoop: What Actually Happens

  • They can’t send you Snaps or Chats anymore; anything they try to send will not reach you.
  • You’re removed from each other’s friends lists, and your profile stops appearing if they search your username.
  • They can’t see your Stories, Snaps, Bitmoji, or any future activity on Snapchat.
  • Your chat history disappears on your side, but they may still see older saved messages or past snaps unless you had deleted them before.
  • Snapchat does not send them a “you’ve been blocked” notification, but they may notice from things like messages staying pending and you vanishing from search.

Think of blocking like putting a one‑way mirror between you and them: they can’t reach or see you anymore, but some old traces of the conversation can still sit on their side unless you cleaned them up earlier.

Mini Sections

1. Messages, Snaps, and Stories

  • New chats and snaps they send after being blocked do not get delivered to you at all.
  • Old saved chats: they usually remain visible on their device; blocking doesn’t retroactively unsend what was already there.
  • Old snaps you sent before blocking can often still be opened if they weren’t expired yet; blocking doesn’t act as an “undo” button.
  • Your Stories (public or friends-only) vanish for them immediately once they’re blocked.

2. What They See From Their Side

From their point of view, a few clues might suggest they’ve been blocked:

  1. Your account no longer appears when they search your username.
  1. Messages they send stay stuck as pending or never show delivered.
  1. Your Story bubbles disappear; they can’t keep up with your updates anymore.

But there’s no explicit “You were blocked” alert; it’s all indirect signals.

3. Your Side After Blocking

  • Their chat thread often disappears from your chat list, along with saved content on your side.
  • They’re removed from your Friends list, and your profile becomes invisible to them in search and contact lists.
  • You won’t receive any further notifications from them, so it’s a clean mental break as well as a digital one.

4. If You Unblock Them Later

  • Unblocking does not restore messages they tried to send while blocked; those are gone for good on your side.
  • You may need to re‑add them as a friend if you want to interact again; blocking generally breaks the friend connection.

Blocking is best seen as a strong boundary move, not a temporary mute. If you just don’t want to see their content but don’t need a hard cut, using remove or mute is usually softer.

TL;DR: If you block someone on Snapchat, they can’t find you, contact you, or see anything you post going forward, but some past chats or snaps may still be visible on their device, and they don’t get a direct “blocked” notification.

Information gathered from public forums or data available on the internet and portrayed here.