ETHEREUM
6 guides on ethereum — what it is, how it exposes you, and what actually works as a defense.
MetaMask & RPC Endpoints: How Public Blockchain Nodes Log Your IP Address During Transactions
When you sign a crypto transaction, who sees your IP? How default Ethereum RPC nodes like Infura log network data and how to switch to private RPCs.
READ ARTICLE _MEV Sandwich Attacks & Public Mempools: How Bots Sniff Pending Swaps & RPC Metadata
Swapping tokens on Uniswap? How Maximal Extractable Value (MEV) arbitrage bots front-run high-slippage trades in the public Ethereum mempool and how private RPCs stop them.
READ ARTICLE _Ethereum Solo Staking & Node Security: How Public IP Exposure Leads to Validator Slashing
Staking 32 ETH from home? Why DDoS attacks against your validator IP cause missed attestations, inactivity penalties, and how to use Sentry Node architectures.
READ ARTICLE _Ethereum EIP-4844 Blobs & Layer-2 Rollups: How Sequencer Nodes Process User IP Telemetry
Transacting on Arbitrum, Optimism, or Base? How centralized L2 Sequencers batch transaction blobs to L1 and what network metadata sequencer operators see.
READ ARTICLE _2-of-3 Multisig Wallets: How Multi-Signature Cold Storage Eliminates Single Points of Failure
Why storing crypto on a single hardware wallet is risky: How setting up a 2-of-3 multi-signature setup (Safe, Sparrow, Specter) protects against theft and physical loss.
READ ARTICLE _ERC-4337 Account Abstraction & Paymasters: How Bundler Nodes Process User Telemetry
Using smart contract wallets without seed phrases? How ERC-4337 UserOperations, alternate mempools, and bundler nodes handle user IP addresses and gas sponsorship.
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