27 stories about Upgrade from across the crypto press, curated and summarized daily. Most recent: Oct 21, 2026.
Zcash developers have agreed on Nov. 5 as the target activation date for NU7, an upgrade that would shorten the time between blocks from 75 seconds to 25. The date is not yet a finished rollout: developers still need to add the chosen block height to the specification and deliver it in node software.
Ethereum's Sepolia test network has increased its block gas limit to 200 million, over three times the mainnet's current 60 million. This change, part of the Glamsterdam upgrade, aims to improve network capacity and efficiency.
Polymarket has launched its V2 upgrade, replacing its Gnosis-based system with a single ERC-1155 positions contract and pUSD as collateral. This change aims to streamline trading and reduce gas fees for users.
Ethereum's Glamsterdam upgrade is set to launch on the Sepolia testnet on October 6, bringing proposer-builder separation, block-level access lists, and new gas pricing. The mainnet date remains unset.
Solana’s Alpenglow upgrade, which promises 150-millisecond settlement times, is now running on both of its public test networks. This lets developers test their applications before the upgrade goes live on the main blockchain.
Zcash is planning a November upgrade (NU7) that will reduce block times to 25 seconds, making private payments up to three times faster. The upgrade also sets aside at least 60% of transaction fees to supplement mining rewards starting in 2031.
Ripple announced that asset managers are preparing for the XRP Ledger’s Batch V1.1 upgrade, which ensures linked asset and payment transfers either succeed or fail together. This follows an extensive security review, and commercial projects are already being developed around the feature.
Ethereum’s upcoming Glamsterdam upgrade has successfully passed its test phase, raising the gas limit to 200 million. This paves the way for a significant increase in network capacity, scheduled for a public test on October 6. The upgrade aims to enhance transaction efficiency and reduce congestion on the Ethereum network.
Solana has raised its transaction size limit to 4,096 bytes, allowing developers to create more complex transactions and zero-knowledge proofs. This upgrade enhances the network's capabilities for multi-signature transactions and advanced smart contracts.
Solana is tripling its transaction size with the activation of the Transaction v1 feature. This allows complex proofs and large multisig operations to fit in a single transaction. Services that read Solana will need to update to stay compatible.
A draft Ethereum proposal would let validators deposit with quantum-resistant keys, then permanently stop accepting the key format the network runs on today.
Ethereum's upcoming upgrade will make sending ETH to new addresses more expensive than existing ones, breaking software that relies on a flat 21,000 gas fee. Wallets and apps will need updates to avoid incorrect fee calculations.
Ethereum developers are reviewing 66 proposals for the upcoming Hegotá upgrade, which aims to enhance privacy for Ethereum applications. This upgrade could make Ethereum more attractive for users who prioritize privacy in their transactions.
Bitcoin's BIP110 upgrade will activate this Saturday, aiming to reduce spam and improve network efficiency. The upgrade is mandatory for all nodes, and its success depends on miner and user cooperation.
The XRP Ledger is getting an upgrade next week that brings back two features previously removed due to critical bugs. The update includes five proposed amendments, focusing on security and functionality improvements.
Zcash has locked down a $1.7 billion shielded pool after a critical upgrade. The move fixes a four-year-old counterfeiting bug in the Orchard protocol and introduces new withdrawal limits.
Hyperliquid is introducing permissionless prediction markets, first on testnet and later on mainnet, as part of the HIP-4 upgrade.
Cardano's latest upgrade, the Van Rossum hard fork, marks the first time the network's community voted on a major update. The change moves Cardano to version 11 and introduces new governance features.
Ethereum is undergoing its most significant upgrade since the Merge, with plans to rebuild nearly every core piece of the protocol over the next 3-4 years. Quantum safety and privacy are now top priorities, according to Vitalik Buterin.
Base's Beryl upgrade introduces the B20 native token standard, cuts withdrawal delays to 5 days, and activates on mainnet June 25.
Ethereum's biggest protocol upgrade in years, Glamsterdam, has entered its final development stage. Developers are now testing a version of the fork in a closed environment, marking a critical milestone before the upgrade goes live.
Zcash has finalized its Ironwood upgrade, which will introduce a new shielded pool and ensure the supply of ZEC remains bounded. The upgrade is scheduled to activate in July 2026.
Zcash's value surged by $2.5 billion after its developers announced a fix to address concerns about its coin supply. The upgrade aims to restore confidence in the privacy-focused cryptocurrency.
Zcash's price surged 42% after the team fixed a critical vulnerability in its privacy-focused Orchard shielded pool. The upgrade required a two-step process to ensure network security and stability.