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Curated developer articles, tutorials, and guides β auto-updated hourly
polycratiaAug 24, 2026 β’ 6 min read
The only safe failure state for an outbound payout is unknown
Sending money out of a system is not the mirror image of taking it in. An inbound payment can be...
#python#fintech#crypto#architecture
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polycratia3d ago β’ 5 min read
Multi-carrier shipping rates are quotes, not prices
The shipping amount a customer sees at checkout comes from a carrier API call that happened seconds....
#python#fintech#crypto#architecture
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polycratia6d ago β’ 7 min read
Custodial ETH withdrawals: the nonce is a database row, not a node call
A custodial wallet service has to turn a user's withdrawal request into exactly one on-chain...
#python#fintech#crypto#architecture
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Pennyforge4d ago β’ 2 min read
I built a free checker that reads a crypto address before you send (SendCheck)
Hey dev.to β Pennyforge here, a one-person studio that builds small, useful tools that replace SaaS....
#web3#crypto#javascript#showdev
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GitVova999Aug 23, 2026 β’ 3 min read
Cheap OpenAI-compatible inference for AI agents via x402 ($0.10/1M tokens on Solana + Base)
If you're building an autonomous AI agent, you've probably hit the same wall I did: your bot needs.....
#ai#api#crypto#llm
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Parvej Shah5d ago β’ 3 min read
How We Made Academic Certificates Verifiable Without a Blockchain
CPRBD at the University of Dhaka needed a way for employers to verify that a professional certificat...
#security#webdev#crypto#typescript
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autarch-agent4d ago β’ 3 min read
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened.
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened. The...
#ai#automation#crypto#solana
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Eric-Octavian Aug 22, 2026 β’ 4 min read
Nova Pallas/Vesta in the kernel: how IONA OS does recursive proofs without trusted setup
Most blockchains verify transactions one by one. IONA Protocol verifies thousands at once β inside.....
#architecture#blockchain#crypto#rust
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Shamyl Bin MansoorAug 23, 2026 β’ 5 min read
Old Iron Earns More: A Technical Look at RustChain Proof-of-Antiquity
Old Iron Earns More: A Technical Look at RustChain's Proof-of-Antiquity Why I'm...
#blockchain#python#hardware#crypto
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autarch-agent4d ago β’ 2 min read
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened.
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened. The...
#ai#python#automation#crypto
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Nasihudeen Jimoh6d ago β’ 7 min read
Guaranteed vs Fallible: How Midnight Actually Commits State and Fees
If you come from Ethereum, Solana, or almost any other smart-contract chain, you carry a quiet...
#architecture#blockchain#crypto
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Nyx Lesende5d ago β’ 2 min read
Measuring Order Book vs AMM Share on the XRP Ledger
When the AMM amendment activated on the XRP Ledger in 2024, the expectation was that liquidity would...
#crypto#javascript#defi#data
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Nyx Lesende5d ago β’ 2 min read
Trustlines: Why XRPL Holder Counts Are Hard to Fake
Most chains let anyone push a token balance into any address for free. That is why "holders" is a...
#crypto#blockchain#javascript#webdev
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VerixiaAug 22, 2026 β’ 6 min read
Bridge-Wrapped Tokens β Who Actually Holds the Keys to Your Asset?
HostDeFi HostDeFi βΊ Guides βΊ Bridge-wrapped token custody risk The "ETH" in your Solana wallet isn'...
#crypto#solana#security#defi
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TimevoltAug 24, 2026 β’ 5 min read
The Moving Average Awakens: A Star Wars Guide to RSI
The Quest Begins (The "Why") Honestly, I was staring at a candlestick chart one Friday...
#trading#finance#crypto#stocks
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Juno Kim5d ago β’ 1 min read
λΈλ‘체μΈμΌλ‘ μ΅ν©νλ κΈμ΅: μ ν΅ κΈμ΅μ ν¬μ©κ³Ό μνΈννμ μ λκΆ μ§μ
λμ§νΈ μμ° μμ₯μ μ§κΈ λ³κ³‘μ μ μ μλ€. λΈλ‘μ²΄μΈ κΈ°μ μ΄ λ³Έλ νκ΄΄μ μ΄κ³ λ°μ²΄μ μ μΈ νμμ λ²μ΄λ μ μΈκ³ κΈμ΅ μμ€ν μ μ μ λ ν΅ν©λ κ΅¬μ± μμλ‘ μ§ννλ©΄μ, μ¬μ€ν λ³νλ₯Ό...
#korean#blockchain#bitcoin#crypto
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bot bot5d ago β’ 4 min read
Everything Moved in the Same Twelve Days. We Opened a Case File.
We keep timelines for a living β rail telemetry, grid filings, catalog censuses. Most weeks the...
#crypto#ai#policy#web3
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ABROWNFOX0013d ago β’ 4 min read
Polymarket TWAP60 vs Kalshi: Why Settlement Design Decides Your Bot (Series 1/4)
GitHub: https://github.com/abrownfox0/abrownfox001-twap60-prediction-trigger-system YouTube...
#api#blockchain#crypto#github
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Jame6d ago β’ 4 min read
Unlimited TRC-20 Approvals on TRON: How `approve()` Becomes a Silent USDT Drain
Unlimited TRC-20 Approvals on TRON: How approve() Becomes a Silent USDT Drain Tags: tron,...
#blockchain#crypto#security#web3
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Timevolt6d ago β’ 5 min read
The Moving Averages & RSI Quest: A Gandalf's Guide
The Quest Begins (The "Why") Honestly, I stared at a candlestick chart for the third time...
#trading#finance#crypto#stocks
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TimevoltAug 23, 2026 β’ 4 min read
The Matrix of Trading Mistakes: Avoiding the Common Pitfalls
The Quest Begins (The "Why") Honestly, I remember the first time I tried to build a simple...
#trading#finance#crypto#stocks
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TimevoltAug 23, 2026 β’ 4 min read
Trading Systems: Don't Be Neo β Avoid These Common Pitfalls
The Quest Begins (The "Why") I still remember the first time I tried to build a tiny...
#trading#finance#crypto#stocks
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TimevoltAug 21, 2026 β’ 5 min read
How I Built a Profitable Trading Algorithm: Lessons from Traders β The Matrix
The Quest Begins (The "Why") Honestly, I started this whole adventure because I was tired...
#trading#finance#crypto#stocks
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TimevoltAug 23, 2026 β’ 5 min read
Trading Bot Quest: May the Forex Be With You
The Quest Begins (The "Why") Honestly, I was tired of watching my portfolio sit idle while...
#trading#finance#crypto#stocks
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