--- title: "#crypto articles | Hashnode" description: "Explore 5,972 articles tagged #crypto on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/crypto" --- Tag # #crypto 5,972 posts · 690 followers [Nyam](https://hashnode.com/@nyamanteikq) · [1d ago](https://hashnode.com/posts/solcheck-py-a-free-python-cli-that-risk-flags-solana-memecoins-in-under-a-minute/6af336c2d90026f205188e1f) ### [solcheck.py: a free Python CLI that risk-flags Solana memecoins in under a minute](https://nyamanteikq.hashnode.dev/solcheck-py-a-free-python-cli-that-risk-flags-solana-memecoins-in-under-a-minute?utm_source=hashnode&utm_medium=feed) I got tired of opening five tabs every time a mint hit my feed. RugCheck for authorities and risks, DexScreener for age and liquidity, something for holders, something else for LP lock. So I folded th 6 min read · [nyamanteikq.hashnode.dev](https://nyamanteikq.hashnode.dev/solcheck-py-a-free-python-cli-that-risk-flags-solana-memecoins-in-under-a-minute?utm_source=hashnode&utm_medium=feed) [ReturnFee](https://hashnode.com/@returnfee) · [1d ago](https://hashnode.com/posts/how-to-read-an-exchange-fee-schedule-maker-taker-tiers/6af31cb42035518bd6a77b5a) ### [How to read an exchange fee schedule (maker, taker, tiers)](https://returnfee.hashnode.dev/how-to-read-an-exchange-fee-schedule-maker-taker-tiers?utm_source=hashnode&utm_medium=feed) Every crypto exchange publishes a fee page, and most of them look the same: a table of tiers, two columns of percentages, and footnotes that matter more than the table. This is a checklist for reading 5 min read · [returnfee.hashnode.dev](https://returnfee.hashnode.dev/how-to-read-an-exchange-fee-schedule-maker-taker-tiers?utm_source=hashnode&utm_medium=feed) [Rugsight](https://hashnode.com/@rugsight) · [1d ago](https://hashnode.com/posts/is-this-solana-token-a-honeypot-how-to-check-if-you-can-sell/6af31832ecd7fc3e101e2a94) ### [Is this Solana token a honeypot? How to check if you can sell](https://rugsight.hashnode.dev/is-this-solana-token-a-honeypot-how-to-check-if-you-can-sell?utm_source=hashnode&utm_medium=feed) How Solana honeypots actually work (freeze authority, Token-2022 transfer hooks, pause, default-frozen accounts, transfer fees, missing liquidity), a five-minute manual check before you buy, and what Rugsight's free score can and cannot tell you about sellability. 7 min read · [rugsight.hashnode.dev](https://rugsight.hashnode.dev/is-this-solana-token-a-honeypot-how-to-check-if-you-can-sell?utm_source=hashnode&utm_medium=feed) [Rugsight](https://hashnode.com/@rugsight) · [2d ago](https://hashnode.com/posts/how-to-check-a-solana-token-for-bundled-wallets-and-snipers/6af1c72bb3816b18af3c55fd) ### [How to check a Solana token for bundled wallets and snipers](https://rugsight.hashnode.dev/how-to-check-a-solana-token-for-bundled-wallets-and-snipers?utm_source=hashnode&utm_medium=feed) What bundled launches and sniper wallets are on Solana, why they make holder lists look healthier than they are, a step-by-step manual check using the first transactions and funding sources, and what Rugsight's launch-bundle heuristic measures and misses. 7 min read · [rugsight.hashnode.dev](https://rugsight.hashnode.dev/how-to-check-a-solana-token-for-bundled-wallets-and-snipers?utm_source=hashnode&utm_medium=feed) [Yield Smarter](https://hashnode.com/@yields) · [2d ago](https://hashnode.com/posts/how-to-pay-for-ai-api-access-with-crypto/6af1bd776ace94910cde9217) ### [How to pay for ai api-access with crypto](https://yields.hashnode.dev/how-to-pay-for-ai-api-access-with-crypto?utm_source=hashnode&utm_medium=feed) You can call 1,000+ AI models — ChatGPT, Claude, Gemini, Llama and more — paying per request in crypto, with no credit card, no subscription needed. 4 min read · [yields.hashnode.dev](https://yields.hashnode.dev/how-to-pay-for-ai-api-access-with-crypto?utm_source=hashnode&utm_medium=feed) [Albert Perez](https://hashnode.com/@albertperez-novoex) · [2d ago](https://hashnode.com/posts/before-converting-a-crypto-payment-to-fiat-build-a-settlement-checklist/6af17273c8a1dbb1b9cab6f3) ### [Before converting a crypto payment to fiat, build a settlement checklist](https://albertperez-novoex.hashnode.dev/before-converting-a-crypto-payment-to-fiat-build-a-settlement-checklist?utm_source=hashnode&utm_medium=feed) A developer who accepts a crypto payment has two separate jobs: verify what arrived and understand what a later conversion will deliver. An agreed invoice amount does not answer either question on its 2 min read · [albertperez-novoex.hashnode.dev](https://albertperez-novoex.hashnode.dev/before-converting-a-crypto-payment-to-fiat-build-a-settlement-checklist?utm_source=hashnode&utm_medium=feed) [Vikram Kumar Shukla](https://hashnode.com/@vikramkumarshukla) · [2d ago](https://hashnode.com/posts/the-company-that-tracks-crypto-criminals-just-told-every-customer-their-login-was-stolen/6af14d4f39ca40bac98294ad) ### [The company that tracks crypto criminals just told every customer their login was stolen](https://vikramkumarshukla.hashnode.dev/the-company-that-tracks-crypto-criminals-just-told-every-customer-their-login-was-stolen?utm_source=hashnode&utm_medium=feed) Chainalysis sells one thing above everything else: trust. Banks, exchanges and police forces use its software to follow dirty money across blockchains, and they pay for it because the company knows wh 5 min read · [vikramkumarshukla.hashnode.dev](https://vikramkumarshukla.hashnode.dev/the-company-that-tracks-crypto-criminals-just-told-every-customer-their-login-was-stolen?utm_source=hashnode&utm_medium=feed) [Rugsight](https://hashnode.com/@rugsight) · [3d ago](https://hashnode.com/posts/how-to-check-if-a-solana-token-2022-token-has-a-permanent-delegate-or-transfer-hook/6af0754c04ae599ed66f97fe) ### [How to check if a Solana Token-2022 token has a permanent delegate or transfer hook](https://rugsight.hashnode.dev/how-to-check-if-a-solana-token-2022-token-has-a-permanent-delegate-or-transfer-hook?utm_source=hashnode&utm_medium=feed) What Token-2022 permanent delegate, transfer hook, transfer fee, default account state and pausable extensions allow on Solana, how to read them yourself with an explorer or getAccountInfo, and which flags Rugsight surfaces for free. 5 min read · [rugsight.hashnode.dev](https://rugsight.hashnode.dev/how-to-check-if-a-solana-token-2022-token-has-a-permanent-delegate-or-transfer-hook?utm_source=hashnode&utm_medium=feed) [solsmint](https://hashnode.com/@solsminttokenbuilder) · [3d ago](https://hashnode.com/posts/samsung-wallet-usdc-solana-payments/6af01f7df93a61187b3688d0) ### [USDC on Solana Explained: How Stablecoin Transfers Work](https://solsmintbuilder.hashnode.dev/samsung-wallet-usdc-solana-payments?utm_source=hashnode&utm_medium=feed) USDC, SOL, and SPL tokens are often confused. Here is how a USDC transfer actually works on Solana. 4 min read · [solsmintbuilder.hashnode.dev](https://solsmintbuilder.hashnode.dev/samsung-wallet-usdc-solana-payments?utm_source=hashnode&utm_medium=feed) [Rugsight](https://hashnode.com/@rugsight) · [4d ago](https://hashnode.com/posts/what-mint-authority-renounced-means-on-solana-and-how-to-verify-it/6aef0457776827ae2371ba05) ### [What "mint authority renounced" means on Solana (and how to verify it)](https://rugsight.hashnode.dev/what-mint-authority-renounced-means-on-solana-and-how-to-verify-it?utm_source=hashnode&utm_medium=feed) What Telegram and launchpads mean by renounced mint authority on Solana, how that maps to revoked (null) mint authority on-chain, how to check it yourself in seconds, and why renounced alone is not a safety badge. 4 min read · [rugsight.hashnode.dev](https://rugsight.hashnode.dev/what-mint-authority-renounced-means-on-solana-and-how-to-verify-it?utm_source=hashnode&utm_medium=feed)