Independent Audit Report
Carta
VS
MetaMask

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
Carta
Equity Management & Private Securities Platform
Best For Startups, VCs, and employees wanting cap table management, 409A valuat
Core Fee Company plans from $2,400/year; fund administration from $12
Settlement Digital equity issuance in minutes; electronic exercise of s
Visit Carta ↗
MetaMask
Self-Custodial Crypto Wallet & DeFi Gateway
Best For Anyone wanting a secure, self-custodial wallet to interact with Ethere
Core Fee Free wallet; network fees apply for transactions; features p
Settlement Instant on-chain transactions; integrated swaps with bridgin
Visit MetaMask ↗
Full 20-Point Audit Matrix
Verified current data across all key decision criteria
20 Criteria Compared
Audit Criterion Carta MetaMask
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars)
5/5
Carta: rated on fees, features, safety & ease of use
4/5
MetaMask: rated on fees, features, safety & ease of use
Transaction FeesPer-transfer costs, domestic & international
Company plans from $2,400/year; fund administration from $12,000/year; CartaX private securities marketplace fees vary by transaction size Free wallet; network fees apply for transactions; features premium subscription (Transaction Protection).
FX / Conversion SpreadMarkup above mid-market exchange rate
Carta charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending.
Always check the live rate in the app
MetaMask charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending.
Always check the live rate in the app
Account MaintenanceMonthly or annual account-keeping charges
Carta applies account maintenance charges as described in its fee schedule. Pricing may vary by region.
Fees subject to change — verify before signing up
No monthly fees — MetaMask does not charge recurring maintenance fees.
Fees subject to change — verify before signing up
Card Issuance FeesVirtual and physical card creation costs
Carta does not primarily offer physical cards — access is digital-first.
Check Carta app for current card fees
MetaMask does not primarily offer physical cards — access is digital-first.
Check MetaMask app for current card fees
Domestic SettlementLocal bank transfer completion time
Carta
Digital equity issuance in minutes; electronic exercise of s
VS
MetaMask
Instant on-chain transactions; integrated swaps with bridgin
✓ MetaMask is faster (instant vs Digital equity issuance in min)
Cross-Border SpeedInternational corridor settlement time
Carta supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds.
Check the app for live estimates
MetaMask supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds.
Check the app for live estimates
Uptime / ReliabilityReported annual platform availability rate
Carta publishes service status updates on its official status page for transparency.
Check Carta status page for incident history
MetaMask publishes service status updates on its official status page for transparency.
Check MetaMask status page for incident history
Regulatory LicensesGoverning bodies and jurisdictions
SEC-registered transfer agent and broker-dealer; FINRA member; SOC 2 Type II certified; 256-bit encryption; manages $2.7T+ in equity for 40,000+ companies
✓ Licensed
Self-custodial, meaning you control your keys; Transaction Protection subscription provides up to $10,000/month in coverage; AI-agent wallet with mandatory security checks.
✓ Licensed
Deposit InsuranceGovernment-backed protection scheme
Carta holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with Carta
MetaMask holds funds with regulated partner banks. Deposit insurance coverage may apply.
Verify current coverage directly with MetaMask
2FA & AuthenticationMulti-factor security implementation
Carta supports 2FA via authenticator app or SMS. Check security settings for available methods.
Enable 2FA immediately after opening your account
MetaMask supports 2FA via authenticator app or SMS. Check security settings for available methods.
Enable 2FA immediately after opening your account
Fraud DetectionAI/ML-powered transaction monitoring
Carta employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds.
✓ Real-time monitoring
MetaMask monitors transactions for anomalies in real time. You can freeze your card instantly from the app.
✓ Real-time monitoring
Ideal Use CasePrimary audience and core value proposition
Carta
Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
MetaMask
Anyone wanting a secure, self-custodial wallet to interact with Ethereum, Solana, Bitcoin, and other major blockchains, including DeFi and NFT users.
Platform ClassificationRegulatory and product category
Equity Management & Private Securities Platform Self-Custodial Crypto Wallet & DeFi Gateway
Withdrawal LimitsDaily / weekly transfer and cash-out caps
Carta withdrawal limits vary by account type and KYC level.
Log in to see your current limits
MetaMask applies daily and monthly withdrawal limits based on your account verification tier.
Log in to see your current limits
Supported CurrenciesFiat and digital asset coverage
Carta supports the currencies and assets listed in its official documentation.
Check Carta official site for full currency list
MetaMask supports the currencies and assets listed in its official documentation.
Check MetaMask official site for full currency list
App Store RatingAggregate iOS + Android user satisfaction
Carta app ratings reflect recent user sentiment — check the App Store/Google Play for current scores.
Verify live ratings on the App Store
MetaMask is available on both iOS and Android. Rating varies by region.
Verify live ratings on the App Store
Customer SupportAvailable resolution pathways and SLA
Carta routes support through its official help channels. Priority queue access varies by plan.
Check Carta help centre for current support options
MetaMask offers support through its help centre and official contact channels.
Check MetaMask help centre for current support options
KYC Verification SpeedAccount activation timeline post-submission
Carta KYC timelines depend on document quality and account type.
Verify current wait times in the Carta app
MetaMask typically verifies personal accounts within minutes to 24 hours with a valid ID.
Verify current wait times in the MetaMask app
Overall VerdictWealthBlueprint independent recommendation
Carta WINS with 5/5 stars vs 4/5.

Why: Carta excels at Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets.

✓ Choose Carta if Startups, VCs, and employees wanting cap
➜ MetaMask is still solid for Anyone wanting a secure, self-custodial
Official WebsiteVisit platform to sign up or verify current fees
Visit Carta ↗ Visit MetaMask ↗
WealthBlueprint Verdict Summary
Carta — Best For
Startups, VCs, and employees wanting cap table management, 409A valuations, equity plan administration, and access to private company secondary markets
✓ Strong in its core category
MetaMask — Best For
Anyone wanting a secure, self-custodial wallet to interact with Ethereum, Solana, Bitcoin, and other major blockchains, including DeFi and NFT users.
✓ Strong in its core category

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