Privacy & security
Guides
Privacy guides for a more private phone life
Register apps without exposing your real number, protect your accounts from SIM swapping, pay in crypto without mistakes — step by step, with sources.
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Numbers
How to get a second phone number without a new SIM
Every way to get a second number compared: second SIM or eSIM, apps, business VoIP and online numbers — and one with no SIM or ID.
Apps
How to use Signal without your real phone number
Signal still needs a phone number to sign up, but not yours. Use a private number, hide it behind a username and lock the account with a PIN.
Apps
How to use WhatsApp with a second number (no new SIM)
Run WhatsApp or WhatsApp Business on a second number with no new SIM: which numbers work, how to verify and how to keep the account.
Apps
How to use Telegram without your real phone number
Telegram needs a number to sign up, but not yours: register with a private number or Fragment, hide it from everyone and lock the account.
Numbers
VoIP vs non-VoIP numbers: which one receives your codes?
Why verification codes fail on VoIP numbers, how apps detect the line type, and when a real mobile (non-VoIP) number is worth paying for.
Privacy & security
How to protect your accounts from SIM swapping
How SIM-swap attacks steal SMS codes, and the steps that stop them: carrier locks, app-based 2FA, passkeys and a private number for logins.Payments
How to buy a phone number with Monero (XMR)
Buy a phone number with Monero step by step: pick a wallet, send the exact amount to a one-time address, get credited. No KYC, no email.
Apps
How to set up a SIP app: Linphone, Groundwire, Zoiper
Set up Linphone, Groundwire or Zoiper in minutes: scan a QR code or enter the SIP settings, enable encryption and fix common call issues.Payments
How to pay from a crypto exchange without losing money
Topping up from an exchange? Avoid fee shortfalls, wrong networks and withdrawal holds so the full amount lands on your balance first time.Business
How to set up a phone menu (IVR) for a small business
Plan, write and test a phone menu callers like: menu options, business hours, holidays, queues and voicemail — then check it in a simulator.Guides by topic
Apps4 guides
Signal, WhatsApp, Telegram and SIP apps with a number that isn’t yours.
Numbers2 guides
Line types, second numbers and how to pick the right one for each job.
Privacy & security2 guides
Anonymous numbers, SIM-swap protection and accounts nobody can take over.
Payments2 guides
Paying in crypto without mistakes: Monero, exchanges, networks and fees.
Business1 guide
Phone menus, teams and call flows for small businesses.
Quick answers
Numbers, verification codes, payments, renewals and privacy — the questions people ask most, answered in a few lines each.
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Put a guide into practice
Find a number in 12 countries — no email, no ID, paid in crypto.