Accountability

 מִשְׁכַּן הָעֵדֻת "The Dwelling of the Testimony" [Pekudei 38:21]

Why, asked the Malbim {R' Meir Leibush Malbim} is the Mishkan referred to as the "Dwelling of Testimony?"

In the pesukim that follow, answered the Malbim, the Torah gives us an accounting of the vast amounts of gold, silver and other materials that were used in the construction of the Mishkan.  It records how much was donated toward the Mishkan's construction and how much was put to use.

The Mishkan itself was the best evidence that there was absolutely no dishonesty in relation to the Mishkan's construction, and that every last donation was accounted for and put to use.  For it is inconceivable that the Divine Presence would ever dwell in a place that was tainted with corruption.  If any of the donations had been misappropriated, the Divine Presence would never have rested there.

[Source: Rabbi Y. Bronstein]