Mmatt goodwin6h ago · 7 min readBitcoin postage: how do you allocate shipping costs when one order needs two parcels?Bitcoin postage: how do you allocate shipping costs when one order needs two parcels? An order contains a ceramic mug and a poster. Your packing team chooses a box for the mug and a tube for the postebitcoinshippinglabels.hashnode.dev
Mmatt goodwin1d ago · 6 min readbtcpostage alternative: How should a shipping dashboard separate rates from crypto payments?btcpostage alternative: How should a shipping dashboard separate rates from crypto payments? If you’re evaluating a btcpostage alternative for an e-commerce workflow, ask a specific engineering questibitcoinshippinglabels.hashnode.dev
Mmatt goodwin2d ago · 7 min readCrypto Shipping Labels: Preventing Duplicate Purchases in Your Fulfillment QueueCrypto Shipping Labels: Preventing Duplicate Purchases in Your Fulfillment Queue A fulfillment worker refreshes a stalled page. Another worker picks up the same order. Meanwhile, a crypto payment is sbitcoinshippinglabels.hashnode.dev
Ssignal States4d ago · 4 min readHow we built a crypto Fear & Greed index from futures data, and what it can't tell youEvery crypto chart site quotes a Fear & Greed number. Few say what is inside it. We built one from the futures market's own daily prices and wrote the method down so anyone can reproduce it. This postsignalstates.hashnode.dev
QQistDeFi4d ago · 3 min readHow Does the Smart Contract Know When to Execute?1. Time Mechanisms in Smart Contracts Smart contracts operate on the blockchain and do not have a human concept of 'now'. Instead, they execute based on predefined conditions. A smart contract does noqistdefi.hashnode.dev
Mmatt goodwin5d ago · 5 min readBuy shipping labels with crypto: invoice IDs and tracking numbers belong in separate fieldsBuy shipping labels with crypto: invoice IDs and tracking numbers belong in separate fields A buyer sends you an invoice number and asks where their parcel is. You paste it into a carrier’s tracking pbitcoinshippinglabels.hashnode.dev
QQistDeFi5d ago · 2 min readSecurity Auditor Asks: What Makes the Contract Secure?What Does the Security Auditor Look For? A security auditor is an expert who examines smart contracts for vulnerabilities and weaknesses. In Qist's Islamic decentralized finance contract, the auditor qistdefi.hashnode.dev
SSwiftedgeOct 21 · 8 min readBitcoin order book: what our own data showed us, and what it didn'tSeven findings from recording the Bitcoin futures order book and options market, the ones that surprised us and the ones that disappointed us, and where you can watch each of them live for free. We buswiftedgeuk.hashnode.dev
DDoogal SimpsonOct 20 · 4 min readHow Hashcash Works: Proof of Work Before BitcoinQuick Answer: Hashcash, created by Adam Back in 1997, introduced Proof of Work to combat email spam by requiring senders to solve a computationally asymmetric puzzle. By forcing senders to compute a h2doogal.dev
SSwiftedgeOct 20 · 5 min readWe tracked 801 large Bitcoin order book walls for four weeks. 92% of the far ones were pulled.If you have ever watched a Bitcoin order book heatmap, you know the feeling: a huge bid appears a little below price, it looks like a floor, and then, right before price gets there, it is gone. We wanswiftedgeuk.hashnode.dev
