From 165abdb46027a7424dc4ce238482cc50bdc0c4f9 Mon Sep 17 00:00:00 2001
From: bt3gl <1130416+bt3gl@users.noreply.github.com>
Date: Wed, 21 Sep 2022 15:17:20 -0700
Subject: [PATCH] =?UTF-8?q?=F0=9F=8D=95=20Notes=20on=20running=20an=20Ethe?=
 =?UTF-8?q?reum=20node=20post-merge?=
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+## Notes on running an Ethereum node
+
+<br>
+
+### Setting a dedicated hardware
+
+<br>
+
+* [Check estimate of the blockchain size](https://bitinfocharts.com/ethereum/)
+* Minimum specs:
+  - CPU with 4+ cores
+  - 32 GB+ RAM
+  - fast SSD with at least 1T free space
+  - 25+ MBit/sec download internet service
+
+
+
+<br>
+
+### Clients
+
+<br>
+
+
+### The JSON-RPC interface
+
+<br>
+
+* the JSON-RPC API is an interface that allows us to write programs that use an Ethereum client as a gateway to an Ethereum network and blockchain.
+* the RPC interface is offered as an HTTP service on port 8545. For security reasons it is restricted, by default, to only accept connections from localhost.
+