---
title: change
description: A detailed guide on how to use the 'change' command for tracking active
  blockchain addresses over time in various exchanges. It also provides instructions
  on setting input parameters and explains their usage for more precise data.
keywords:
- blockchain
- active blockchain addresses
- tracking blockchain
- change command
- exchange platform
- blockchain data tracking
- data fetching
- data commands
- coinex
- bittrex
- binance
- poloniex
- blockchain analytics
- glassnode source
- command parameters
- bitfinex
- kraken
- okex
- bithumb
- coinbase
- luno
---

import HeadTitle from '@site/src/components/General/HeadTitle.tsx';

<HeadTitle title="crypto/dd/change - Reference | OpenBB Terminal Docs" />

Display active blockchain addresses over time [Source: https://glassnode.org] Note that free api keys only allow fetching data with a 1y lag

### Usage

```python
change [-e {aggregated,binance,bittrex,coinex,gate.io,gemini,huobi,kucoin,poloniex,bibox,bigone,bitfinex,hitbtc,kraken,okex,bithumb,zb.com,cobinhood,bitmex,bitstamp,coinbase,coincheck,luno}] [-s SINCE] [-u UNTIL]
```

---

## Parameters

| Name | Description | Default | Optional | Choices |
| ---- | ----------- | ------- | -------- | ------- |
| exchange | Exchange to check change. Default: aggregated | aggregated | True | aggregated, binance, bittrex, coinex, gate.io, gemini, huobi, kucoin, poloniex, bibox, bigone, bitfinex, hitbtc, kraken, okex, bithumb, zb.com, cobinhood, bitmex, bitstamp, coinbase, coincheck, luno |
| since | Initial date. Default: 2 years ago | 2020-11-25 | True | None |
| until | Final date. Default: 1 year ago | 2021-11-23 | True | None |

![change](https://user-images.githubusercontent.com/46355364/154060004-c5367c72-d25b-48da-a316-35d8d6e5208e.png)

---