Cryptocurrency Scam
This site is classified as Cryptocurrency Scam based on multiple risk signals, including 2 blacklist detections, a very young domain (2 months), and no established public user-review history.
Trust signal radarNormalized trust signals for polyfill.onlineDomain Maturity: 70 daysDomain MaturityWarning Cleanliness: 1 detectionsWarningCleanlinessSafety Level: 5 negative tags, 3 warning signalsSafetyLevelPositive Signals: 0 positive signalsPositiveSignalsPopularity: Estimated low traffic without Tranco or social profile dataPopularityTrust Zone: .onlineTrust ZoneOperational Signals: 0 detected servicesOperationalSignalsLocation Credibility: Hosting country SELocation Credibility
Figure 1. Trust signal radar for polyfill.online. Larger shaded area indicates stronger trust signals.
How we scored polyfill.online
On-page mentions:
Accessories
Negative signals:
security-provider warnings
a redirect to another domain (polyfil.online)
high-risk cryptocurrency-related activity
heuristic signals associated with scam
limited independent reputation data
automated caution checks
a relatively new domain (2 months)
Positive signals:
an active SSL certificate (3 months)
Final destination:
https[:]//polyfil.online/
Last checked July 21, 2026 at 1:32 PM by
Gridinsoft Trust Model v2.5.0
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What is Polyfill?
Polyfill.online is classified as a cryptocurrency scam source. Similar domains often advertise fake token sales, copy-trading profits, or "guaranteed" staking yields.
Typical fraud flow: social proof first, wallet connect second, irreversible transfer last. Once funds move on-chain, recovery is usually unlikely.
Figure 2.
Website screenshot for Polyfill.online.
2026-07-21 16:32:25
Never share seed phrases, never approve unknown wallet permissions, and verify project details from official channels before funding.
๐จ
Gridinsoft blocks this website because it was classified as cryptocurrency scam.
polyfill.online has a blacklist warning and a 1/100 trust score. Verify the site identity before use and avoid sending sensitive or payment data.
What are the risks of polyfill.online?
This website shows characteristics commonly associated with cryptocurrency scams, including suspicious payment methods and unrealistic promises.
Why is polyfill.online marked "Cryptocurrency Scam"?
Gridinsoft evaluates polyfill.online, focusing on domain age (only 2 months old), limited website popularity, suspicious content indicators (Cryptocurrency - Risk, Low Scamadviser Score, Heuristic - Scam), hosting technology and infrastructure, SSL certificate status, website reputation across multiple databases, customer reviews from various independent platforms. We weigh these indicators to calculate the trust score.
Note: Automated systems are not perfect โ while the evidence suggests risk, there is still a chance the site is legitimate. We recommend you check the website using detailed analysis or by contacting the company directly through verified channels.
A structured view of the site's detected themes, page signals, and related online footprint elements.
Cryptocurrency - Risk
Based on pattern analysis of similar websites, this site platform may offer questionable cryptocurrency investment opportunities or trading advice that could result in financial losses. Exercise extreme caution when evaluating cryptocurrency-related investment proposals.
Registration Form
This website implements data collection forms that may request personal information including names, email addresses, phone numbers, or other sensitive details. You should verify its legitimacy and review privacy policies before submitting personal data.
Accessories
Google Tag Manager
The polyfill.online website uses Google Tag Manager to add and update tracking tags on its website.
Low Scamadviser Score
Independent security assessment from Scamadviser indicates this site has received a low trust rating, suggesting potential security risks or operational concerns requiring user caution.
Redirects to Another Domain
This site redirects visitors to a different domain. This can be legitimate in some migrations or forwarding setups, but it reduces transparency for users evaluating the original address.
Heuristic - Scam
Heuristic Risk
Young Domain
polyfill.online was registered recently, which limits historical reputation data and long-term trust signals.
Blacklisted
Gridinsoft Internet Security classified this site as unsafe. As a VirusTotal partner, our detections contribute to broader protection across tools and browsers.
Provider warnings: 2/28 Cryptocurrency Scam
This section shows what trusted security sources say about this site.
A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.
If no source reports a warning, the site is shown as clear in this section.
Gridinsoft Threat List
Warned
Scamadviser
Warned
BitDefender
Clean
Kaspersky
Clean
ESET
Clean
Sophos
Clean
Google Safebrowsing
Clean
Fortinet
Clean
G-Data
Clean
Webroot
Clean
Dr.Web
Clean
Forcepoint ThreatSeeker
Clean
CyRadar
Clean
Lionic
Clean
Quick Heal
Clean
Phishing Database
Clean
Phishtank
Clean
OpenPhish
Clean
alphaMountain.ai
Clean
Netcraft
Clean
Sucuri SiteCheck
Clean
Criminal IP
Clean
URLhaus
Clean
Emsisoft
Clean
Spam404
Clean
Trustwave
Clean
VX Vault
Clean
Quttera
Clean
Polyfill.online blocked? Check the provider verdict report created on May 18, 2026
Domain Information
CreatedMay 12, 2026 at 8:25 AMUpdated: May 17, 2026 at 8:25 AM ยท Expires: May 12, 2027 at 8:25 AM
Website descriptionPolyfill is an automated Polymarket trading bot for BTC 5-minute prediction markets. Runs the Rule 1 strategy with paper mode by default, admin-gated live trading, and a reason-coded trade ledger.
Primary Language
Mentioned hosts (16)
region1.google-analytics.comtranslate.google.comtranslate.googleapis.comwww.gstatic.compolyfill.onlinefonts.gstatic.comfonts.googleapis.comwww.clarity.mswww.google.comfh-118116076e9a4c2a96a99fbb70bea2a0.ecs.us-west-2.on.awswww.googletagmanager.comwww.facebook.comconnect.facebook.netpolyfil.onlineo.clarity.ms
and 1 more
Security Analysis
Detection SignaturesThese signatures are used to generate the security fingerprint below.
Cryptocurrency - RiskRegistration FormAccessories
Security FingerprintUnique identifier based on site analysis
Scammers have devised new ways to deceive users, and what was relevant ten years ago may not be applicable today. In this post, we have compiled the most current types of online scams.
If you own Polyfill.online and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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Help protect others by sharing this page on social media! The more people who know about polyfill.online, the fewer chances they have to deceive someone else.Help others evaluate polyfill.online by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about polyfill.online, the fewer chances they have to deceive someone else. Help others evaluate polyfill.online by sharing this page on social media!