13. Primary sources
Soroban, skills.stellar.org / smart-contracts (+ its development, testing, security deep-dives) · developer docs · soroban-examples · docs.rs/soroban-sdk · example contracts index
Move, Move Book on Aptos · smart-contracts hub · security guidelines
Link note: developers.stellar.org and aptos.dev/build/smart-contracts/book/* paths verified Aug 2026; a handful of Aptos-specific deep links (prover, gas, randomness) follow the current nav structure but reorganize occasionally; one hop from the hub pages above if any has moved.