Ethereum raises the gas limit for a single block to 200 million in one go—more than 3 times the mainnet’s capacity 🦖
📢 ⏰ 消息群里第一时间说
On October 6, Ethereum’s Sepolia testnet activated the Glamsterdam upgrade, starting to produce blocks with gas limits approaching 200 million. But the mainnet currently allows only 60 million. That works out to 3.3x. However, the real point isn’t the testnet—it’s whether the mainnet will follow suit next.
First, let’s clarify what the gas limit actually does. It determines the maximum amount of computation that can fit into a block. The higher the limit, the more transactions can be packed into the chain at the same time—and the less likely it is that, when the network is crowded, your transactions get pushed out by fee spikes.
On-chain data is very honest. Someone extracted 25 consecutive blocks from October 8—block numbers 11872013 to 11872037—and found that only 47 million to 86 million gas was actually used. That’s just 24% to 43% of the limit. ⛽ In other words, raising the ceiling to 200 million doesn’t automatically triple transaction volume. It simply provides a larger buffer for congestion.
The trade-off is also clear on the record: the bigger the block, the higher the burden on validators—i.e., the machines that stake ETH and package/confirm transactions for the network. Researchers at the Ethereum Foundation warned earlier that once the gas limit exceeds 40 million, blocks might fail to propagate across the entire network on schedule. That’s why the number has been increased only in small steps.
Looking back makes it even clearer. In February 2025, validators voted 52% to 48% to raise the limit from 30 million to 32 million. Later that same year, it was increased again to 60 million—exactly doubling the original. Now, the testnet jumps directly from 60 million to 200 million. ⚠️
More importantly, look at the official stance. This time, they only released results for Sepolia—no timeline for the Hoodi testnet, and no planned roadmap for a mainnet upgrade. That means the mainnet’s 60 million limit is very likely to stay unchanged in the short term.
My take: this is a classic “trial run before an adjustment” on the mainnet. Ethereum would rather let the testnet run first than risk overwhelming validators for the sake of scaling. For ordinary users, what really matters is that during future network congestion, fee peak levels could be pushed lower—not that transaction volume will instantly skyrocket.
Right now, the whole market is pulling back, and Ethereum couldn’t avoid it either. But upgrades at the underlying layer often don’t show up in that day’s price action. Instead, months later people suddenly notice that transfers have become cheaper, and then they look back to figure out why.
Do you think Ethereum’s block gas limit should keep going up? If so, how much would be appropriate? Let’s discuss in the comments.
Every day, I’ll take you through what’s happening in Ethereum and crypto hotspots—not just what the news says happened, but also the logic and opportunities behind it 👀🚀
📢 ⏰ 消息群里第一时间说
On October 6, Ethereum’s Sepolia testnet activated the Glamsterdam upgrade, starting to produce blocks with gas limits approaching 200 million. But the mainnet currently allows only 60 million. That works out to 3.3x. However, the real point isn’t the testnet—it’s whether the mainnet will follow suit next.
First, let’s clarify what the gas limit actually does. It determines the maximum amount of computation that can fit into a block. The higher the limit, the more transactions can be packed into the chain at the same time—and the less likely it is that, when the network is crowded, your transactions get pushed out by fee spikes.
On-chain data is very honest. Someone extracted 25 consecutive blocks from October 8—block numbers 11872013 to 11872037—and found that only 47 million to 86 million gas was actually used. That’s just 24% to 43% of the limit. ⛽ In other words, raising the ceiling to 200 million doesn’t automatically triple transaction volume. It simply provides a larger buffer for congestion.
The trade-off is also clear on the record: the bigger the block, the higher the burden on validators—i.e., the machines that stake ETH and package/confirm transactions for the network. Researchers at the Ethereum Foundation warned earlier that once the gas limit exceeds 40 million, blocks might fail to propagate across the entire network on schedule. That’s why the number has been increased only in small steps.
Looking back makes it even clearer. In February 2025, validators voted 52% to 48% to raise the limit from 30 million to 32 million. Later that same year, it was increased again to 60 million—exactly doubling the original. Now, the testnet jumps directly from 60 million to 200 million. ⚠️
More importantly, look at the official stance. This time, they only released results for Sepolia—no timeline for the Hoodi testnet, and no planned roadmap for a mainnet upgrade. That means the mainnet’s 60 million limit is very likely to stay unchanged in the short term.
My take: this is a classic “trial run before an adjustment” on the mainnet. Ethereum would rather let the testnet run first than risk overwhelming validators for the sake of scaling. For ordinary users, what really matters is that during future network congestion, fee peak levels could be pushed lower—not that transaction volume will instantly skyrocket.
Right now, the whole market is pulling back, and Ethereum couldn’t avoid it either. But upgrades at the underlying layer often don’t show up in that day’s price action. Instead, months later people suddenly notice that transfers have become cheaper, and then they look back to figure out why.
Do you think Ethereum’s block gas limit should keep going up? If so, how much would be appropriate? Let’s discuss in the comments.
Every day, I’ll take you through what’s happening in Ethereum and crypto hotspots—not just what the news says happened, but also the logic and opportunities behind it 👀🚀