From 9bae4dcc5b1d20146eec993a65a3f5818810013a Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Sat, 7 Aug 2021 10:39:53 +0300
Subject: Add channels and numbers

---
 README.md | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/README.md b/README.md
index b9ecf2d..b62c84f 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,46 @@
 # Lightning Network Cheat Sheet
 
 Everything you need to work with the Lightning Network in a dense and concise form.
+
+## Channels
+
+- **Local balance** - outgoing liquidity
+- **Remote balance** - incoming liquidity
+
+### Fees
+
+Fees are always charged on the **outgoing** path, when a payment is **forwarded**.
+
+## Numbers
+
+### Definitions
+
+```
+1 sat (satoshi)          = 1 / 100,000,000 = 0.00000001 BTC
+1 ppm (part per million) = 1 /   1,000,000
+1 bps (basis point)      = 1 /      10,000
+
+- 1 **sat** (satoshi) = 1 / 100,000,000 = 0.00000001 BTC
+- 1 **ppm** (part per million) = 1 / 1,000,000
+- 1 **bps** (basis point) = 1 / 10,000
+- 1000 ppm = 1 bps
+- 1000 ppm = 0.1%
+- 100 bps = 1%
+```
+
+### ppm to %
+
+```
+1    ppm = 0.0001%
+10   ppm =  0.001%
+100  ppm =   0.01%
+1000 ppm =    0.1%
+```
+
+### bps to %
+
+```
+1   bps = 0.01%
+10  bps =  0.1%
+100 bps =    1%
+```
-- 
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