这是一个衡量区块链活跃度的网站，它提供一个精确的视角观察区块链健康程度。它的统计范围并不全面，观察角度局限在区块活跃度（Blockitivity）—— 有一点需要提醒的是，缺乏证据（absence of evidence）与没有这回事的证据（evidence of absence）是不一样的。衡量一个区块链健康程度，单凭这一个网站是远远不够的。
我翻译一下它的网站，谨供参考。
链接：Block'tivity
one way to consider a blockchain project is through its market cap. Another way, closer to the real value, is observing the activity on the blockchain. Lots of FUD and HYPE are responsible for "misplaced" capital in the cryptocurrency space. Here, we are observing which project is actually being used by people, which is in our opinion, the best predictive indicator of value you can have.
考虑块环链项目的一个方法是通过它的市场上限。 另一种更接近实际价值的方法是观察块环链上的活动。 大量的 FUD（Fear, Uncertainty, Doubt） 和 HYPE（夸张的宣传） 是在密码货币空间中"错位"资本的原因。 在这里，我们正在观察哪个项目实际上被人们使用，在我们看来，这是你可以拥有的最好的价值预测指标。
区块链活跃指数
Transaction and operation（交易和操作）：
Blockchains have evolved and you can now do a variety of operations using this technology. An operation could be a transfer of a coin but also other actions allowed by the blockchain as updating or creating an asset, voting, posting a blog or comment, claim vesting shares, ... One transaction could contain several of these operations. As Blocktivity is focused on the activity produced by people and bots on the blockchain, counting transactions would be missing a lot of important actions on the blockchain.
As we discover the potential of blockchain technology, these operations will diversify and blockchains only allowing simple transfer will be things of the past. That's why Blocktivity considers the overall activity counting the operations and not the transaction made on the blockchain.
区块链已经进化，你现在可以使用这种技术进行各种操作。一个操作（operation）可以是一个币的转移，但也可以是区块链允许的其他动作（action），例如更新或创建一项资产，投票，发布博客或评论，认领股份...... 一个交易（transaction）可以包含几个这样的操作（operation）。区块活度（Blocktivity）主要关注在区块链上由人和机器人所产生的活动，计算交易将错过区块链上许多重要的动作。
当我们发现块环链技术的潜力，这些操作（operation）将多样化，并且区块链只允许简单的转移将是过去的事情。 这就是为什么区块活度（Blocktivity）认为区块链活度应该计算操作量（operations）而不是转账交易。
Activity (24H) & Activity (7d):
Block'tivity is using several sources to gather the blockchain usage data.
区块活度是从几个源来收集区块链所使用的数据。
Record:
This column is self-explanatory but just in case, it's the number of transactions ever recorded on these blockchains.
记录：这个栏目是不言自明的，但是，为了以防万一，交易数量将被记录在这些区块链上。
Activity Valuation Index (AVI):
This is one of the most interesting data points on the website. This index takes the Bitcoin value (market cap) and the number of transactions (Tx) per day and makes it an index set to "1". Then, it varies with the other blockchains data. The index grows when the blockchain is very active and its market cap is low.
A blockchain with the same amount of Tx as Bitcoin but with only half of its market cap would have an AVI of 2. From the investor point of view, it would be twice as valuable as Bitcoin because it would have the same level of activity with only half the market cap. Another blockchain with half the amount of Bitcoin Tx with the same market cap would have an AVI of 0.5.
We can see blockchains like BitShares and Steem having very high index values. That is explained by the fact that they have a very low market caps but they process the same kind of Bitcoin activity or more.
活跃价值指数：
这是网站上最有趣的数据之一。该指数采用比特币的价值（市值）和每天的交易次数（Tx），并设定它的指数为“1”。然后，它随着其他区块链数据而变化。当区块链非常活跃并且市值较低时，指数就会增长。
一个与比特币相同交易数量的区块链，但只有比特币一半的市值，那么，它的 AVI（活跃价值指数）值是 2。 从投资者的角度来看，它的价值将是比特币的两倍，因为它有相同的活跃度但只有比特币市值的一半。另一个具有与比特币相同的市值，但交易数只有比特币一半，那么它的 AVI 值为 0.5。
我们可以看到像 BitShares 和 Steem 这样的区块链，它们的 AVI 指数值很高。 这是因为它们拥有非常低的市场，但它们处理的活动与与特币相同或者比它更多。
Capacity Utilization Index (CUI):
This index is straightforward. It represents the actual blockchain usage and the remaining available capacity. Have a look at how many Tx have been recorded during a day and see how much more capacity the blockchain has left. You will be surprised!
容量利用率指数:
这个指数很简单。 它代表区块链实际的使用量和剩余可用容量的比值。看看在一天中有多少交易 Tx 被记录下来，看看区块链还剩下多少容量。你会大吃一惊！
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