Organisation

MetaMask

6 placements on ChainChoice under MetaMask, each scored against its own category's pool and criteria — #1 in one of them. The placements are not averaged and not ranked against each other: a #1 exchange and a #6 crypto card are two different products in two different markets.

Transaction Simulation

MetaMask Transaction Shield

Rank#1 OverallScore81

Leads the published order

Rank#2 OverallScore80

#1 in this category: Rabby Wallet

MetaMask Card

Rank#4 OverallScore69

#1 in this category: ether.fi Cash

Token Approval & Revoke Tools

MetaMask Portfolio — Token Approvals

Rank#4 OverallScore56

#1 in this category: Revoke.cash

MPC & Embedded Wallets

Web3Auth (now MetaMask Embedded Wallets)

Rank#6 OverallScore65

#1 in this category: Dfns

MetaMask Smart Transactions

Rank#7 OverallScore56

#1 in this category: MEV Blocker

Transaction Simulation

How you can lose money here, and what the ranking scores

Execution failure (MetaMask Transaction Shield 7/10): you get a worse price, later, or nothing.
Scored by Verifiable performance and what happens when it misses · 25%
Exit failure (MetaMask Transaction Shield 8/10): you cannot get out at par, on time, or with what is yours.
Scored by Vendor survival and continuity risk · 25%
Information failure (MetaMask Transaction Shield 8/10): the number is wrong or bought, or your data leaks.
Scored by Simulation depth vs. blocklist dependence · 30%

Every failure family that applies to this category is scored. Also scored, as cost, quality or a summary of several families: Published price and true total cost (20%).

Wallets

How you can lose money here, and what the ranking scores

Key failure: your own keys are made, shown or recovered unsafely.
Scored by Can I export my own keys and use them elsewhere? · 28% (MetaMask 9/10)
Scored by Can I see exactly what I am signing? · 30% (MetaMask 6/10)
Scored by What has gone wrong, and did they publish it? · 24% (MetaMask 8/10)
Scored by If I lose my device, how do I get back in? · 18% (MetaMask 9/10)

Not assessed by this ranking: Information failure. A high place says nothing about these; the Methodology tab says what each means.

Crypto Cards

How you can lose money here, and what the ranking scores

Regulatory failure: no licence where you are, or a forced market exit.
Scored by Whose licence is actually behind this card, and will they even tell me their name? · 21% (MetaMask Card 5/10)
Scored by Does buying a coffee create a taxable disposal, and will they hand me the record? · 20% (MetaMask Card 6/10)
Exit failure (MetaMask Card 4/10): you cannot get out at par, on time, or with what is yours.
Scored by Will this card still work next month, and who has to fail for it to stop? · 26%

Not assessed by this ranking: Control failure, Liveness failure, Custody failure, Insolvency failure, Execution failure, Information failure. A high place says nothing about these; the Methodology tab says what each means. Also scored, as cost, quality or a summary of several families: What does one swipe abroad actually cost me, and can I work that out before I sign up? (33%).

Token Approval & Revoke Tools

How you can lose money here, and what the ranking scores

Custody failure (MetaMask Portfolio — Token Approvals 5/10): whoever holds the assets loses or withholds them.
Scored by Trust surface and access model · 25%
Exit failure (MetaMask Portfolio — Token Approvals 7/10): you cannot get out at par, on time, or with what is yours.
Scored by Maintenance and funding durability · 15%
Information failure (MetaMask Portfolio — Token Approvals 4/10): the number is wrong or bought, or your data leaks.
Scored by Data freshness & verifiability · 35%

Every failure family that applies to this category is scored. Also scored, as cost, quality or a summary of several families: Chain coverage and whether it is current (25%).

MPC & Embedded Wallets

How you can lose money here, and what the ranking scores

Custody failure (Web3Auth (now MetaMask Embedded Wallets) 7/10): whoever holds the assets loses or withholds them.
Scored by Key-Share Custody Disclosure · 15%
Exit failure (Web3Auth (now MetaMask Embedded Wallets) 6/10): you cannot get out at par, on time, or with what is yours.
Scored by Vendor-Exit Survivability · 40%
Key failure (Web3Auth (now MetaMask Embedded Wallets) 4/10): your own keys are made, shown or recovered unsafely.
Scored by Cryptographic Audit & SOC 2 Posture · 25%

Not assessed by this ranking: Control failure, Information failure. A high place says nothing about these; the Methodology tab says what each means. Also scored, as cost, quality or a summary of several families: Published Pricing Actionability (20%).

MEV Protection

How you can lose money here, and what the ranking scores

Liveness failure (MetaMask Smart Transactions 5/10): the operator stops, censors you or loses data.
Scored by Inclusion breadth and what happens when your transaction is dropped · 20%
Execution failure (MetaMask Smart Transactions 4/10): you get a worse price, later, or nothing.
Scored by Order-flow privacy in practice · 30%
Information failure (MetaMask Smart Transactions 2/10): the number is wrong or bought, or your data leaks.
Scored by Independence and quality of the protection evidence · 20%

Not assessed by this ranking: Control failure, Regulatory failure, Exit failure. A high place says nothing about these; the Methodology tab says what each means. Also scored, as cost, quality or a summary of several families: Rebate published AND reaching the end user's address (30%).