Suredbits

Cryptography Appendix

Bitcoin Public Keys: The elliptic curve used by Bitcoin is called secp256k1 and it is the curve y^2 = x^3 + 7 (it is actually the finite/discrete version of this but no need to get into that here).  We define …

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Crypto data API

NFL API Updated To “PAID” Standard

We are pleased to announce our NFL Data API is now fully updated and available for the 2019 National Football League season. We will support all of our standard channels for all NFL Games, Players, Teams and Stats.  Likewise, we …

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Lightning Data

Payment Points – Part 4: Selling Signatures

In our recent posts, we discussed all the benefits and features enabled by Payment Points on the Lightning Network. We explored how they can protect us from wormhole attacks and payment correlation, how they enable “stuckless” payments, and how they …

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Lightning Data

Payment Points Part 3: Escrow Contracts

In our previous post, we discussed a Lightning Network feature referred to as “Stuckless Payments” that requires Payment Points. Stuckless Payments allow users to attempt multiple payments concurrently. For an in depth description of Payment Points themselves and the problems …

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Lightning Data

Payment Points – Part 2: “Stuckless” Payments

In our previous post, we discussed how using pre-images and payment hashes to make lightning payments atomic results in the possibility of payment correlation and vulnerability to wormhole attacks. We also discussed how replacing pre-images and payment hashes with scalars …

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Lightning Data

Payment Points Part 1: Replacing HTLCs

Payment Points Series: Payment Points Part 2: “Stuckless” Payments Payment Points Part 3: Escrow Contracts Payment Points Part 4: Selling Signatures In Lightning v1.0, routed payments are enabled by Hashed Timelock Contracts (HTLCs). These are contracts for conditional payment that …

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PAID API

PAID APIs

At Suredbits, we use the Lightning Network to create monetized data services. We currently have Lightning APIs selling NFL and NBA stats as well as cryptocurrency market data. In the future, we think that Lightning will be used to monetize …

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Announcement: Historical Crypto Prices API

We are pleased to announce our new service for historical cryptocurrency prices is available on our beta Lightning API application. The Historical Prices API will support all of our current Spot and Futures exchange trading pairs for the years 2018 …

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Zero Amount Invoices

Zero amount invoices have been around since the inception of invoices on the lightning network and are widely used for tips, among other things. At Suredbits, we use them as part of our refund mechanism. It turns out, however, that …

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