SveaSMSSveaSMS
Global · 51% attack

51% attack — meaning in crypto

SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. 51% attack — meaning in crypto shows exactly how to get started.

  • Definition: Controlling most of a chain's hash rate or stake to rewrite history.
  • Used across CEX, DEX, DeFi and OTC contexts
  • Watch it in your feed — alert your users on the same event
  • SveaSMS: instant SMS the moment your trigger fires

Support that answers

We operate from Sweden. Ping us and a technician answers — not a chatbot, not a tier-1 agent escalating. Directly to someone who knows the system.

Scales with you

500 MPS by default, upgradeable on demand. From your first OTP to millions of marketing SMS per day — same infrastructure, same API, no migration.

GDPR-safe

Data is stored in the EU, with no subprocessors outside the EEA without explicit consent. A DPA is available on request and opt-out is handled automatically.

Compliance without friction

Automatic opt-out via STOP/AVSLUTA, quiet hours per market and content warnings that catch carrier-risk content before you send.

Frequently asked questions

Is SMS content logged?

Metadata is logged for DLR and support. Message content can be pseudonymized or deleted on request.

How do I pay?

Crypto (BTC, ETH, USDT) via NOWPayments or card via Banxa. Balance is active as soon as payment is confirmed.

How fast are SMS delivered?

Usually within seconds through direct connections to Swedish operators. Delivery rate above 99%.

How is opt-out handled?

Automatically through STOP/AVSLUTA — the customer is placed on a per-sender blocklist. You can also whitelist.

Which countries do you cover?

Primarily Sweden through tier-1 direct connections. Nordic countries and Europe are available through partner networks.

Can I use multiple Sender IDs at once?

Yes. Rotate per segment, campaign or language with no hard cap.

Related

    Ready to send?

    Sign up, top up your balance and send your first SMS. No KYC, no waiting.