Hey Cardanians! Welcome aboard the Weekly Cardano Digest #150!

We've filtered through all the noise to distill crucial updates into a breezy, 5-minute read. No need for you to sift through endless info ,we've got you covered. Ready to delve into this week's top Cardano news? Let’s dive in.

Here are the topics of the week:

• 🌙 Midnight Brings Programmable Privacy to Ethereum Apps

• 💬 ADA Staking Arrives on WhatsApp Through ChatterPay

• 📦 Mithril Clears Two Milestones and Tests IPFS Snapshot Delivery

• Weekly Development Report

• & More!

🌙 Midnight Brings Programmable Privacy to Ethereum Apps

Midnight Foundation has partnered with Sig Network to bring programmable privacy to applications on Ethereum — without asking them to move anywhere. Announced on October 28, the integration lets an Ethereum app keep its liquidity and its execution exactly where they are, while user balances and identities stay shielded on Midnight. Input Output amplified the announcement the same day, framing it as privacy arriving on Ethereum rather than Ethereum assets leaving for a privacy chain.

The mechanism is worth understanding, because it sidesteps the part of cross-chain design that has gone wrong most often. Each Midnight contract gets its own Ethereum account. The contract validates a user's request on Midnight, and a group of independent signers then authorizes the resulting Ethereum transaction through a threshold signature scheme. Assets never leave Ethereum, which means no bridge and no wrapped tokens — and therefore none of the custody risk that has made bridges the single largest source of losses in this industry.

The target use cases are concrete rather than theoretical: private trading on Uniswap, lending through Aave, shielded deposits, hidden positions in prediction markets and perpetual futures, and selective disclosure so authorized institutions can be granted a view where compliance requires one. The integration already runs on Midnight's stagenet, where deposits, Uniswap swaps, Aave lending and withdrawals back to Ethereum addresses all work today. One limit is stated plainly in the announcement: individual user data is protected, but transaction amounts and timestamps remain publicly visible on Ethereum. Partial privacy, honestly labeled.

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💬 ADA Staking Arrives on WhatsApp Through ChatterPay

Cardano ada staking is now live on WhatsApp. The feature arrives through ChatterPay, which a month earlier added ADA, USDCx, USDM and USDA payments to the messaging app. Cardanians reported the rollout on October 27: users can now delegate ada to a stake pool from inside a chat thread, without installing a browser extension, managing a seed phrase in a separate app, or learning what an epoch boundary is first.

The distribution math is what makes this worth attention. WhatsApp has more than three billion users, and for most of them a crypto wallet is something they have heard of rather than used. Staking is usually the first real step past simply holding a token, and it is also where most people give up — pool selection, key management, reward timing and fee structures all arrive at once, in interfaces built for people who already understand them. Collapsing that into a conversation removes nearly all of the setup.

There is a tradeoff, and it is the familiar one. Convenience at this level usually means someone else is holding or abstracting the keys, and self-custody is the property Cardano's staking design protects most carefully: when you delegate, your ada never leaves your wallet and never stops being yours. How much of that survives a chat interface is the right question to ask of any integration like this. What is not in question is the direction of travel — alongside payments and merchant QR rails, Cardano keeps showing up inside tools people already open every day, instead of waiting for them to arrive at a crypto-native front end.

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📦 Mithril Clears Two Milestones and Tests IPFS Snapshot Delivery

Mithril cleared two milestones this week. Intersect's weekly update #135, published October 30, confirms that M1.1 and M1.2 were approved, together worth ₳658,718, and that a proof of concept for distributing Mithril snapshots over IPFS is now complete, with conventional cloud storage retained as a fallback.

Mithril rarely makes headlines, which understates how much of Cardano's day-to-day experience rests on it. Its certified snapshots are what let a freshly installed node — or a wallet that needs trusted chain state — get there in minutes instead of replaying the entire ledger from the genesis block. The certification is the clever part: a snapshot is signed by a threshold of stake pool operators, so a user can trust the data without having to trust whoever is serving the file.

That last point is exactly where IPFS matters. Today those snapshots are served from centralized cloud storage — fast, cheap and reliable, but a single operational dependency sitting underneath a network whose whole argument is that it has none. Moving distribution onto IPFS spreads the hosting across the network and retires one of the quieter centralized pieces still left in Cardano's stack. Keeping cloud storage as a fallback is the pragmatic call: IPFS retrieval can be slow or patchy, and a bootstrapping path that sometimes hangs is worse than one that is centrally hosted. A proof of concept is not production — but it is the step that has to come first.

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