Wisdom Uche Ijika

Founder @TokenToolHub | Web3 Technical Researcher, Token Security & On-Chain Intelligence | Helping traders and investors identify smart contract risks before interacting with tokens

EIP-8130 Account Configuration: Actors, Authenticators, Gas Sponsorship, and Replay Risk

Native Account Abstraction, Actors, Authenticators, Sponsorship and Replay Safety EIP-8130 Account Configuration: Actors, Authenticators, Gas Sponsorship, and Replay Risk EIP-8130 account configuration proposes a native Ethereum account-abstraction model built around on-chain keystore accounts, explicitly declared authenticators, scoped actors, configurable expiry, policy-gated session keys, multidimensional nonces, gas sponsorship, replay-resistant configuration changes, and a new account-abstraction transaction

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EIP-7906 Transaction Assertions: Enforcing Outcomes After a Wallet Signs

Outcome-Constrained Transactions and Post-Execution Wallet Security EIP-7906 Transaction Assertions: Enforcing Outcomes After a Wallet Signs EIP-7906 transaction assertions propose a way for Ethereum wallets and smart accounts to do something conventional transaction signing cannot reliably guarantee: specify conditions that must still be true after the transaction’s execution has produced its state changes. Instead of asking

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ERC-7947 Smart Account Recovery: Recovery Providers, Proofs, and Takeover Risk

Smart Account Recovery and Account Takeover Security ERC-7947 Smart Account Recovery: Recovery Providers, Proofs, and Takeover Risk ERC-7947 smart account recovery proposes a common interface for restoring access to smart accounts through one or more recovery providers when the normal access credential is lost or unavailable. Instead of forcing every wallet to invent an incompatible

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ERC-5719 Signature Replacement: Stale Smart-Wallet Signatures After Owner or Policy Changes

Smart-Wallet Signature Validity and Replacement Security ERC-5719 Signature Replacement: Stale Smart-Wallet Signatures After Owner or Policy Changes ERC-5719 signature replacement addresses a problem that appears when a smart-contract wallet signs data today but its validation policy changes before another application uses that signature. Under ERC-1271, a contract wallet decides whether a signature is valid by

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ERC-7846 wallet_connect Explained: Capability Negotiation, Multi-Account Exposure, and Authentication Risk

Wallet Connection, Capability Discovery and Authentication Security ERC-7846 wallet_connect Explained: Capability Negotiation, Multi-Account Exposure, and Authentication Risk ERC-7846 wallet_connect proposes a more extensible Ethereum wallet connection flow in which a DApp can request account access and optional wallet capabilities through one JSON-RPC interaction instead of treating connection, authentication, and future wallet features as completely separate

ERC-7846 wallet_connect Explained: Capability Negotiation, Multi-Account Exposure, and Authentication Risk Read More »

ERC-7715 Wallet Execution Permissions: Scoped Authority, Expiry, and Revocation

Programmable Wallet Authority and Delegation Security ERC-7715 Wallet Execution Permissions: Scoped Authority, Expiry, and Revocation ERC-7715 wallet permissions change the security model of a wallet interaction by allowing an application to request bounded authority that can later be exercised on the user’s behalf instead of requiring the user to approve every individual transaction. The proposal

ERC-7715 Wallet Execution Permissions: Scoped Authority, Expiry, and Revocation Read More »

RWA Oracle Risk: How Off-Chain Asset Data Can Break On-Chain Markets

RWA Data Integrity and On-Chain Collateral RWA Oracle Risk: How Off-Chain Asset Data Can Break On-Chain Markets RWA oracle risk begins with a simple limitation: a blockchain can verify what happened on its own ledger, but it cannot independently know the current value of a Treasury portfolio, whether a custodian still holds an underlying security,

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Tokenized Fund Redemption Risk: NAV Lag, Liquidity Gates, and Market-Hours Mismatch

RWA Liquidity, NAV and Redemption Infrastructure Tokenized Fund Redemption Risk: NAV Lag, Liquidity Gates, and Market-Hours Mismatch Tokenized fund redemption can look instantaneous from a blockchain wallet while still depending on fund valuation times, transfer-agent records, underlying securities markets, banking rails, eligible investor checks, liquidity buffers, redemption cutoffs, and settlement procedures that do not operate

Tokenized Fund Redemption Risk: NAV Lag, Liquidity Gates, and Market-Hours Mismatch Read More »

Tokenized Stock Dividends, Voting, Splits, and Corporate Actions Explained

On-Chain Equity Rights and Corporate Actions Tokenized Stock Dividends, Voting, Splits, and Corporate Actions Explained Tokenized stock dividends are not simply blockchain payments triggered whenever a company declares a dividend. The actual path depends on what the token legally represents, who is recognized as the shareholder of record, whether an intermediary holds the underlying shares,

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Tokenized Securities Explained: Issuer Tokens, Custodial Entitlements, and Linked Assets

On-Chain Securities Ownership and Rights Tokenized Securities Explained: Issuer Tokens, Custodial Entitlements, and Linked Assets Tokenized securities are not one uniform ownership model. A token representing shares, bonds, fund interests, notes, or other securities can place the blockchain directly inside the issuer’s official ownership records, represent an indirect security entitlement through a custodian, or provide

Tokenized Securities Explained: Issuer Tokens, Custodial Entitlements, and Linked Assets Read More »

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