diff --git a/README.md b/README.md
index f527badff..ae762f5a5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,9 @@
-# BitcoinJS (bitcoinjs-lib)
+<img src="./logo/Bitcoin.js-transparent.png" alt="BitcoinJS kawaii logo" width="50%" />
+
+(Logo by [@sawaratsuki1004](https://x.com/sawaratsuki1004))
+
+([LICENSE for the logo is on SAWARATSUKI Github repo](https://github.com/SAWARATSUKI/KawaiiLogos/blob/main/README_EN.md))
+
 [![Github CI](https://github.com/bitcoinjs/bitcoinjs-lib/actions/workflows/main_ci.yml/badge.svg)](https://github.com/bitcoinjs/bitcoinjs-lib/actions/workflows/main_ci.yml) [![NPM](https://img.shields.io/npm/v/bitcoinjs-lib.svg)](https://www.npmjs.org/package/bitcoinjs-lib) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 
 A javascript Bitcoin library for node.js and browsers. Written in TypeScript, but committing the JS files to verify.
diff --git a/logo/Bitcoin.js-square.png b/logo/Bitcoin.js-square.png
new file mode 100644
index 000000000..e2cb28ab3
Binary files /dev/null and b/logo/Bitcoin.js-square.png differ
diff --git a/logo/Bitcoin.js-transparent.png b/logo/Bitcoin.js-transparent.png
new file mode 100644
index 000000000..145819142
Binary files /dev/null and b/logo/Bitcoin.js-transparent.png differ
diff --git a/logo/Bitcoin.js.png b/logo/Bitcoin.js.png
new file mode 100644
index 000000000..412b633ac
Binary files /dev/null and b/logo/Bitcoin.js.png differ
diff --git a/logo/Bitcoin.js.psd b/logo/Bitcoin.js.psd
new file mode 100644
index 000000000..85d5ec4f9
Binary files /dev/null and b/logo/Bitcoin.js.psd differ
diff --git a/logo/LICENSE.md b/logo/LICENSE.md
new file mode 100644
index 000000000..802376ad5
--- /dev/null
+++ b/logo/LICENSE.md
@@ -0,0 +1,3 @@
+# LICENSE
+
+Please see the license here: [https://github.com/SAWARATSUKI/KawaiiLogos/blob/main/README_EN.md](https://github.com/SAWARATSUKI/KawaiiLogos/blob/main/README_EN.md)