Solscan’s Lamports Explained: Understanding Solana’s Smallest Unit and Transaction Costs

A trader examining transaction details on Solscan notices something unfamiliar: transaction fees displayed as 5000 lamports instead of a decimal SOL amount. A developer integrating Solana payments into an application encounters API responses in lamports and must convert them for display. These are not edge cases. Lamports are the fundamental unit of value on the … Read more

Rabby Wallet for Geographic Arbitrage: Managing Addresses Across Multiple Countries and Tax Jurisdictions

An international trader holds Bitcoin in Singapore, Ethereum in Switzerland, and stablecoins in a jurisdiction with more favorable regulatory treatment for crypto income. Tax reporting requirements differ in each location. Custody rules vary. Exchange relationships and bank accounts change based on residency. The practical problem is not whether the assets exist—they do—but how to track … Read more

Rabby Wallet and Cross-Chain Bridges: How to Safely Move Assets Between Ethereum, Arbitrum, and Optimism

A user holds USDC on Ethereum mainnet but wants to deploy capital on Arbitrum. The direct path is not to move the tokens themselves—USDC exists separately on each chain as distinct contract instances—but to bridge value across the networks. Rabby, as a self-custody Ethereum and EVM-compatible wallet, allows users to initiate bridge transactions directly from … Read more