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diff --git a/doc/i2p.md b/doc/i2p.md
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@@ -9,16 +9,16 @@ started with I2P terminology.
## Run Bitcoin Core with an I2P router (proxy)
-A running I2P router (proxy) with [SAM](https://geti2p.net/en/docs/api/samv3)
-enabled is required. Options include:
+A running I2P router (proxy) is required with the [SAM](https://geti2p.net/en/docs/api/samv3)
+application bridge enabled. The following routers are recommended for use with Bitcoin Core:
- [i2prouter (I2P Router)](https://geti2p.net), the official implementation in
- Java
+ Java. The SAM bridge is not enabled by default; it must be started manually,
+ or configured to start automatically, in the Clients page in the
+ router console (`http://127.0.0.1:7657/configclients`) or in the `clients.config` file.
- [i2pd (I2P Daemon)](https://github.com/PurpleI2P/i2pd)
([documentation](https://i2pd.readthedocs.io/en/latest)), a lighter
- alternative in C++
-- [i2p-zero](https://github.com/i2p-zero/i2p-zero)
-- [other alternatives](https://en.wikipedia.org/wiki/I2P#Routers)
+ alternative in C++. It enables the SAM bridge by default.
Note the IP address and port the SAM proxy is listening to; usually, it is
`127.0.0.1:7656`.
@@ -118,8 +118,7 @@ to connect to the I2P network. Any I2P router that supports it can be used.
## Ports in I2P and Bitcoin Core
-Bitcoin Core uses the [SAM v3.1](https://geti2p.net/en/docs/api/samv3)
-protocol. One particularity of SAM v3.1 is that it does not support ports,
+One particularity of SAM v3.1 is that it does not support ports,
unlike newer versions of SAM (v3.2 and up) that do support them and default the
port numbers to 0. From the point of view of peers that use newer versions of
SAM or other protocols that support ports, a SAM v3.1 peer is connecting to them