Postcard from 2035
Postcard From 2035 #4: Your IP Told Them Where
A postcard from 2035: you hid what you said, but your IP told them where. What an IP address reveals, how Tor works, and how Z-TEXT's built-in Tor hides it.
Eric Pierrot - Founder, Z-TEXT LLC — building privacy tools without phone numbers, email, or metadata.
Founder, Z-TEXT LLC — building privacy tools without phone numbers, email, or metadata.
Postcard from 2035
Postcard From 2035 #3: They Didn’t Need to Read It
A postcard from 2035: they couldn’t read your messages. They didn’t need to. What metadata reveals, what an ex-NSA chief said about it, and how Z-TEXT shields who talks to whom.
Postcard from 2035
Postcard From 2035 #2: No One Asks for Your Phone Number
A postcard from 2035: you gave your phone number to every app, then 533 million of them leaked. Why a leaked number follows you for years, and how Z-TEXT works with no phone, no email and no SIM.
Postcard from 2035
Postcard From 2035: Your Chats Got Opened. Ours Are OK.
A postcard from 2035: someone copied your encrypted chats in 2026, waited, and opened them with a quantum computer. Here is what "harvest now, decrypt later" means, and how Z-TEXT protects a chat today.
Europol, Post-Quantum, ML-KEM-768, Privacy, zk-SNARKs, Harvest Now Decrypt Later
Europol's Quantum Warning: What It Means for Messaging
Europol says encrypted data collected today could face future quantum decryption. Here's what post-quantum messaging means, what ML-KEM-768 actually protects, and where Z-TEXT fits.
BitcoinZ, Zcash, Blockchain Fees, Privacy, zk-SNARKs, Research
BTCZ Private Fees: 10,000× Less Than Zcash
We measured the real fee of a private transaction on the BitcoinZ blockchain, the network behind Z-TEXT, the privacy messenger with no phone number. Here is what it costs, and what it doesn't fix.
Z-TEXT, Launch, Privacy, zk-SNARKs, BitcoinZ
Z-TEXT Is Live: The Messenger With No Phone Number
Z-TEXT is live today, October 5, 2026: a zk-SNARKs privacy messenger on the BitcoinZ blockchain. No phone number, no email, no SIM. Download it for Android, macOS, Windows or Linux and try one free month.
Launch, Z-TEXT, zk-SNARKs, Privacy
Z-TEXT Launches Monday: Shielded Permanence Is Coming
Z-TEXT, the zk-SNARKs messenger on the BitcoinZ blockchain, launches Monday, October 5. No phone number, no email, no SIM. Here's what's coming.
Privacy, Blockchain Messenger, zk-SNARKs
Blockchain Messenger Where Messages Can't Be Read or Erased
: Z-TEXT messages are permanent on the BitcoinZ blockchain and unreadable to anyone but the recipient. No phone number. Shielded Permanence™.
Disposable Private Messaging Without a Phone Number | Z-TEXT
Your identity is disposable. What you say isn't — until you choose to let the key go. A first look at Z-Text's upcoming disposable private messaging identity.
disposable-private-messaging-teaser
Burner Phone Alternative: Disposable ID, No SIM
Disposable identities are live: no phone, SIM or email. Get 5 for $15 with the Z-5 Pack.
Can Quantum Attacks Break Z-TEXT's Wallet or Messages?
A real IonQ blueprint targets Bitcoin's signature scheme. Wallet theft, message content, and the one honest limit — with the actual numbers.