Independent Audit Report
Adyen
VS
Changelly

A comprehensive 20-point independent audit covering fees, FX rates, settlement architecture, regulatory standing, customer protection, and real-world performance benchmarks.

20 Audit Criteria Independent Analysis Current Verified Data Live Benchmarks
Adyen
Enterprise Unified Commerce Payment Platform
Best For Large enterprises and global brands (eBay, Spotify, McDonald's) needin
Core Fee Interchange++ pricing: processing fee from $0.13 + interchan
Settlement Real-time transaction processing; next-day settlements avail
Visit Adyen ↗
Changelly
Non-Custodial Crypto Swap Platform
Best For Crypto users wanting fast coin swaps without creating an exchange acco
Core Fee 0.25% fixed swap fee; floating rate swaps vary by market spr
Settlement Most swaps complete in 5–30 minutes depending on blockchain
Visit Changelly ↗
Full 20-Point Audit Matrix
Verified current data across all key decision criteria
20 Criteria Compared
Audit Criterion Adyen Changelly
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars)
4/5
Adyen: rated on fees, features, safety & ease of use
3/5
Changelly: rated on fees, features, safety & ease of use
Transaction FeesPer-transfer costs, domestic & international
Interchange++ pricing: processing fee from $0.13 + interchange rate; no setup or monthly fees; minimum monthly invoice applies for enterprise clients 0.25% fixed swap fee; floating rate swaps vary by market spread
FX / Conversion SpreadMarkup above mid-market exchange rate
Adyen applies its own spread on currency conversion — rates vary by corridor. Check the live rate inside the Adyen app before initiating any transfer.
✦ Verify Before Sending
Changelly FX markup differs by currency pair and destination. Always confirm the all-in rate shown in the Changelly app at point of transaction before you send.
✦ Verify Before Sending
Account MaintenanceMonthly or annual account-keeping charges
Verify current account fee tiers on the Adyen official pricing page. Free-tier availability and conditions change — check before opening an account. Changelly's fee schedule — including any subscription or maintenance charges — is published on its official site. Confirm the current tier structure directly with Changelly before funding.
Card Issuance FeesVirtual and physical card creation costs
Adyen's virtual and physical card policy — including issuance fees, replacement costs, and eligible regions — is available in the Adyen app under card settings.
⚠ Check Official Site
Changelly card fees and availability depend on your account tier and region. Verify current card issuance policy at the Changelly official site before applying.
⚠ Check Official Site
Domestic SettlementLocal bank transfer completion time
Real-time transaction processing; next-day settlements available in major markets; unified reporting across all payment channels
✓ Verified Current
Most swaps complete in 5–30 minutes depending on blockchain confirmation times
✓ Verified Current
Cross-Border SpeedInternational corridor settlement time
Adyen international transfers rely on its supported payment rails per corridor. Actual delivery time depends on the receiving bank and any compliance holds — verify current estimates at the Adyen send screen. Changelly cross-border delivery windows vary by destination country and partner network. Check the Changelly app for the live estimated arrival time specific to your recipient's bank.
Uptime / ReliabilityReported annual platform availability rate
Adyen publishes service status updates at its official status page. Review recent incident history there before scheduling time-sensitive transactions. Changelly system availability and any ongoing incidents are tracked on its official status page — bookmark it if you rely on Changelly for recurring or high-value transfers.
Regulatory LicensesGoverning bodies and jurisdictions
Licensed by De Nederlandsche Bank (DNB); PCI DSS Level 1; publicly listed on Euronext Amsterdam (ADYEN); operates own acquiring network in 40+ countries
✓ Licensed
Non-custodial — funds go directly to user wallet; KYC required for large transactions
✓ Licensed
Deposit InsuranceGovernment-backed protection scheme
Adyen deposit protection — including FDIC pass-through coverage details and eligible partner banks — should be confirmed directly at Adyen's official site before depositing funds.
⚠ Check Official Site
Changelly's coverage terms, including whether uninvested cash qualifies for FDIC or equivalent protection, vary by product. Verify the current coverage structure with Changelly directly before funding.
⚠ Check Official Site
2FA & AuthenticationMulti-factor security implementation
Adyen supports multi-factor authentication. Enable 2FA in account security settings. Biometric and PIN options vary by device and OS version — check the Adyen security settings screen for what's active on your account. Changelly offers 2FA via its security settings. Available authentication methods (authenticator app, SMS, biometric) depend on your device and Changelly account tier — review current options inside the Changelly app.
Fraud DetectionAI/ML-powered transaction monitoring
Adyen monitors transactions for anomalies in real time. If suspicious activity is detected on your Adyen account, you can freeze your card instantly from within the app pending investigation. Changelly employs automated transaction monitoring across all accounts. Users can lock their Changelly card immediately via the app if they suspect unauthorised activity — no need to call support first.
Ideal Use CasePrimary audience and core value proposition
Adyen is purpose-built for: Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries.
✓ Recommended for its niche
Changelly is purpose-built for: Crypto users wanting fast coin swaps without creating an exchange account.
✓ Recommended for its niche
Platform ClassificationRegulatory and product category
Enterprise Unified Commerce Payment Platform — Adyen operates as a enterprise unified commerce payment platform under applicable US financial regulations. Non-Custodial Crypto Swap Platform — Changelly operates as a non-custodial crypto swap platform under applicable US financial regulations.
Withdrawal LimitsDaily / weekly transfer and cash-out caps
Adyen applies tiered withdrawal limits based on your KYC verification level. Log into your Adyen account to see the exact daily and monthly caps assigned to your current tier.
⚠ Check Official Site
Changelly withdrawal limits vary by account verification tier and product type. Check your current Changelly account settings for the specific caps that apply to your profile.
⚠ Check Official Site
Supported CurrenciesFiat and digital asset coverage
Adyen's full list of supported fiat currencies, digital assets, and available corridors is published in its official documentation. Currency availability may differ by account type and region. Changelly supported currencies and asset types depend on your account tier and location. Consult the Changelly official help centre for the current complete currency coverage list.
App Store RatingAggregate iOS + Android user satisfaction
Verify Adyen's current rating on the Apple App Store and Google Play — app scores update with each release cycle and reflect recent user experience, not historical averages. Check Changelly's live App Store and Google Play ratings before signing up. User sentiment can shift significantly after major product updates or policy changes.
Customer SupportAvailable resolution pathways and SLA
Adyen offers support through its in-app help centre and email. Response time and access to live agents may depend on your Adyen account tier — check the support section inside the app for current options. Changelly routes support through its official help channels. Priority queue access and agent availability varies by Changelly plan level — review current support tiers at the Changelly help centre.
KYC Verification SpeedAccount activation timeline post-submission
Adyen standard identity verification typically completes within minutes to 24 hours for personal accounts with a valid government-issued ID. Business or enhanced verification may take longer — check the Adyen onboarding flow for current timelines. Changelly KYC timelines depend on document quality and your account type. Personal accounts typically activate faster than business accounts. Verify current expected wait times in the Changelly onboarding section.
Overall VerdictWealthBlueprint independent recommendation
Adyen earns its place for users whose primary need is: Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries. If that matches your workflow, Adyen is the stronger fit here.
✓ Recommended for its niche
Changelly stands out for users who specifically need: Crypto users wanting fast coin swaps without creating an exchange account. For that profile, Changelly delivers a more targeted experience than the alternative.
✓ Recommended for its niche
Official WebsiteVisit platform to sign up or verify current fees
Visit Adyen ↗ Visit Changelly ↗
WealthBlueprint Verdict Summary
Adyen — Best For
Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries
✓ Strong in its core category
Changelly — Best For
Crypto users wanting fast coin swaps without creating an exchange account
✓ Strong in its core category

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