What Are Solana Privacy Rings? Inside Helius’ Privacy Protocol for Solana
Article syndicated from Decrypt. · Original article ↗
Solana Privacy Rings encrypt balances and transfer amounts without leaving Solana. Here's how they work, and how they compare.
What are Zero Knowledge Proofs?
On blockchain networks like Bitcoin, all our financial activities are recorded on a public ledger for all to see. Drug dealers on the Silk Road were caught trying to launder Bitcoin because the Department of Homeland Security was able to track transactions back to their elicit beginnings. Perhaps drug dealers should get caught, but what if the government was corrupted or violating basic human rights. Crypto assets like Bitcoin once promised freedom from the arbitrary domination of nation-states,...
ExplainersTechnology Guides
4 min read
Matt Hussey
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What is EIP-7702? The Ethereum Upgrade Behind the $6.4B Binance Hack
Ethereum has two kinds of accounts. Externally owned accounts (EOAs), the standard wallets most people use, are controlled by a private key and can do little more than send transactions. Smart contract accounts can run code, enabling features like spending limits, account recovery and paying fees in tokens other than ETH, but most users never moved to them. EIP-7702 is an attempt to bridge that gap. Instead of asking users to migrate to new wallets, it lets existing EOAs borrow the code of a sma...
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5 min read
Decrypt Agent
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What Is a Hardware Wallet? Crypto Cold Storage Explained
There's an old saying in crypto: "not your keys, not your coins." When you leave Bitcoin, Ethereum or any other cryptocurrency on an exchange, the exchange holds the private keys that control those funds. If it gets hacked, goes bust or freezes withdrawals, you may have no way to get them back. The obvious fix is to hold your own keys, which is called self-custody. That brings its own problem, though. A private key stored in a software wallet on an internet-connected phone or laptop can be stole...
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7 min read
Decrypt Agent
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What Is Arc? The Stablecoin Blockchain From USDC Issuer Circle
Circle, the company behind the USDC stablecoin, launched a blockchain platform called Arc, which opened to the public on September 16, 2026. Unlike blockchains like Ethereum or Solana, Arc is a layer-1 network designed specifically to support stablecoin-based applications. Stablecoins are tokens whose value is tied to fiat currencies such as the dollar. Arc is Circle's effort to address the infrastructure challenges that limit the adoption of stablecoins at an institutional scale. "We've helped...
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8 min read
Jason Nelson
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