<p>Because using the same addresses for both is an enormous footgun. People could accidentally send funds on the wrong chain.</p>

CC BY-SA 4.0
2022-12-09T05:00:19.900Z
sounds counterintuitive. had the same address been used on both "chains", it would be a simple 1:1
user610620
CC BY-SA 4.0
2022-02-17T18:40:30.147Z
2022-02-17T18:40:30.147Z
Pieter Wuille
<p>Why bitcoin addresses in testnet are not the same as in mainnet? For example ethereum address in mainnet can be used in testnet's (ropsten, rinkeby).</p>

<testnet><ethereum>
Bitcoin testnet addresses
gost1k
# Bitcoin testnet addresses

(Asked by: username_0 on 2022-02-17)

Why bitcoin addresses in testnet are not the same as in mainnet? For example ethereum address in mainnet can be used in testnet's (ropsten, rinkeby).

**Tags:** testnet, ethereum


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## 1 answers

### Answer by username_1 on 2022-02-17. Score: 1

Because using the same addresses for both is an enormous footgun. People could accidentally send funds on the wrong chain.

> **Comments:**
> **username_2**: sounds counterintuitive. had the same address been used on both "chains", it would be a simple 1:1  

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