Fast for players, hard on fraud.
Link suspicious accounts through Digital DNA, device, behavioral, email and phone intelligence.
Step up only when devices, withdrawals or recovery attempts look unusual, and catch takeover early.
Adapt player journeys quickly as regulations, market rules and attack patterns change.
Passive recognition across web, iOS and Android keeps registration, deposits and play moving.
Trusted by
Trust at every stage of play
Fast registration for genuine players, while synthetic identities and bots get caught early.
Payment fraud and false chargeback claims flagged before they cost you.
Silent, continuous checks that never interrupt play, plus responsible gambling interventions.
Account takeover protection where it matters most, with step-up only when risk is high.
One trust layer across the player lifecycle
Registration, deposits, live betting and withdrawals all happen in seconds. Callsign keeps genuine players moving and catches fraud at every point in between.
Instead of treating login as the only checkpoint, Callsign builds Continuous Adaptive Trust from onboarding to deposit, gameplay and withdrawal, so fraud gets caught earlier, not after the damage is done.
The game is changing
80% of the 882 million people who gamble online do it from a phone. In October 2025, the UK Gambling Commission fined a gaming platform £10 million after its systems failed to flag a customer who breached a loss limit within 16 minutes of registering.
Sources: Statista; Demandsage, 2026; UK Gambling Commission enforcement notice, October 2025.
Continuous Player Trust for iGaming
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