Head-to-head · Security & Audit
Features, pricing, health score, community ratings — side-by-side from the live MadeOnSol database.
Updated July 18, 2026
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| Rating | (2) | (0) |
| Pricing | Freemium | Paid |
| Health | Healthy | Healthy |
| Chain | multi chain | solana only |
| Open Source | ||
| Features | 6 features | 5 features |
| Upvotes |
Pros & cons
Analysis
ProtonVPN ProtonVPN is a Swiss-based VPN built by the team behind ProtonMail. Offers a genuine free tier (no data caps, no ads) plus paid plans that include the full Proton privacy suite (VPN + Mail + Pass + Dr... Sardine Sardine provides fraud prevention and compliance infrastructure alongside a fiat-to-crypto onramp API, giving Solana apps a single provider for both moving users from fiat into crypto and protecting a...
ProtonVPN is rated higher by the MadeOnSol community with 5.0/5 stars across 2 reviews, compared to 0.0/5 for Sardine (0 reviews). That said, ratings only tell part of the story — what matters most is which tool fits your specific workflow.
ProtonVPN uses a freemium model, while Sardine is paid.
ProtonVPN offers 6 features including Free tier with no data caps, Swiss jurisdiction — strong privacy laws, Includes ProtonMail + ProtonPass + ProtonDrive, and 3 more. Sardine counters with 5 features including AI-powered real-time fraud detection, Fiat-to-crypto onramp API for SOL and SPL tokens, Instant ACH and card payment support, and 2 more. The right choice depends on which specific features matter for your use case — check the individual review pages for full breakdowns.
We monitor both tools around the clock for uptime, SSL validity, and response times. ProtonVPN currently has a healthy health status with 100.0% uptime over the last 30 days. Sardine is rated healthy with 100.0% uptime. For any tool you trust with your funds, trades, or yield, uptime and speed are non-negotiable.
ProtonVPN's key strengths include free tier actually works — no data limits, swiss privacy jurisdiction is the gold standard, full privacy suite (vpn + email + passwords). Sardine stands out for one integration for onboarding plus fraud and compliance, reports reducing fraud losses by up to 90%, used by major crypto companies, signaling enterprise readiness. On the flip side, ProtonVPN's weaknesses include free tier limited to 5 countries and 1 device, while Sardine's main drawback is centralized service handling payments and compliance data.
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| Twitter Followers | 216,969 | 443 |
| Categories | Security & Audit | Security & Audit, Payment Tools |
| Description | Swiss-based VPN from the Proton privacy suite — free tier available, includes ProtonMail and ProtonPass | Fraud prevention and fiat-to-crypto onramp for Solana apps |
Both ProtonVPN and Sardine operate in the security & audit space, so this is a direct head-to-head. ProtonVPN has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — ProtonVPN is free to start and check Sardine's pricing. Read user reviews on each tool's page for real-world feedback from the Solana community.