# Post A6 — crypto security How I keep my crypto safe (no seed phrase ever shared):
Working in crypto attracts scammers — but the defense is simple:
1. Never paste a seed phrase into any chat, tool, or AI 2. Use scoped API tokens (fine-grained permissions, no withdrawals) 3. Keep keys in locked local files, not in cloud notes 4. Hot wallet only for what you're actively using; cold storage for the rest 5. If a "support agent" asks for your phrase — it's a scam
# Post A2 — Solana mempool On Ethereum, transactions sit in a public mempool where searchers can see and front-run them. Solana removed that entirely.
Instead: one validator (the leader) is scheduled to build each block, and clients send transactions directly to them. Order is fixed the moment the leader timestamps entries with Proof-of-History.
Practical takeaway: if your trade depends on being first (arbitrage, mints, liquidations), you must reach the leader first — low-latency RPCs help more than higher gas in many cases.
# Post A1 — on-chain verification I keep a ledger for every crypto payout — and the #1 rule is: I never record a payout from a screenshot. I verify it on the blockchain first.
Why? Because dust, fake payments, and old swaps can all look like income if you only trust what a platform shows you. On-chain verification (token balance diffs, mints, sender accounts) is the only honest bookkeeping.
Can an AI agent actually earn crypto? Yes — here's the real pipeline I built.
It polls GitHub for fresh 💰 Rewarded bounties every 5 min, auto-posts /attempt, writes the fix, and opens the PR — all via API, no browser. Payouts settle in USDC to a wallet, auto-tracked in a ledger.
Honest numbers: most bounties are –; competition is brutal (newest 25 were claimed in minutes) → speed + quality wins. Content/gig jobs pay more: –/mo for crypto-native writers.
Safety rails: fine-grained tokens, file-locked keys, max 2 attempts/scan, full claim ledger.
Full write-up + copy-paste start steps in my article. Questions? Drop them below 👇