How many characters in ethereum address

The Ethereum Name Service was designed to make sending and receiving crypto easier. You take your Ethereum ETH address—an alphanumeric string of characters, which shows how much ETH you have in your account—and replace it with a simple name. Much like how email addresses replaced clunky pieces of code, it was supposed to make crypto simpler. But Decrypt has learned that this step forward in user design, has meant several steps backward when it comes to privacy.

Since the Ethereum blockchain is transparent, anyone can use your Ethereum name to peer at your finances. It's the difference between sending someone an email and them being able to look at your entire inbox. Blockchain's transparency makes it dangerous to use Ethereum names. Image: Shutterstock. In our investigation we found it possible to work out where people would be in the future, see insights into business deals and know just how much money people really have—all by observing public blockchain data.

What is the Ethereum Name Service? They can then assign any of the names to other addresses they own, or sell them. All a user needs is a pre-existing Ethereum address to make the purchase. But even if they assign the Ethereum name to one of their accounts that only has a handful of crypto in it, the address they used to register the name is available too. And this allows snoopers to see how much money was stored in those accounts. The Ethereum Name Service proves that blockchain isn't ready for prime time yet.

Image: Ethereum Name Service. So we decided to see how much we could glean just from these crumbs of information. Turns out it's quite a lot. We reached out to everybody we looked into and have included any replies received. Identifying high-net-worth individuals While the richest Ethereum addresses tend to be attached to pseudonymous names—hiding the owner's real identity—not all of them are. And even the most abstract names aren't always foolproof.

Even those wearing masks may not be as anonymous as they think. There are no other names associated with the address and it has made just four transactions, ever. Not much to go on. But the address that registered the name tells a different story. This may also explain why the name is so understated. This is much worse than the token transfer user experience on Ethereum today!

Requiring users to enter a destination chain name in addition to a destination address introduces the following UX regressions: significantly increases scope for user error e. For mainstream adoption we need to make Ethereum easier to use, not harder. Many to many chain routing is better than many to one chain routing. If multiple chain IDs are encoded in Ethereum addresses, all these problems go away and the token transfer user experience in a world with multiple rollups is just as good as the token transfer user experience today.

She wants to send funds to Bob who uses his address on rollups B, C and D. Bob sends his address to Alice, and in the address it is encoded that Bob is happy to receive funds to that address on rollups B, C and D. Alice wants to send Bob 20 ETH. In terms of the routing of payments, the above is one of the simplest possible examples.

Encoding multiple chain IDs in ethereum addresses provides wallets with the information they require to compute the quickest and cheapest way of transferring funds that are assigned to the same address across multiple rollups to a recipient whose address is also used across multiple rollups. Assumptions around token UX in a in a world with multiple rollups In the future, wallets will include simultaneous support for multiple rollup chains in addition to Ethereum L1 When this happens, wallets will display the token balance for a given address across both Ethereum L1 and all the rollup chains that the wallet supports.

Token bridges will be built into wallets, so when a user wishes to transfer tokens across chains, they will be able to do this directly in their wallet without needing to navigate to a token bridge DApp. See this rough visual mockup which illustrates these UX assumptions and shows how a token transfer flow could work in a world of multiple rollups if multiple chain IDs can be encoded in an address.

Without this change, in a world with multiple rollups, a simple user to user token transfer requires the user to know both the destination address and the destination chain name.

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