The half-shekel coins collected in the time of Moses were used to make the adanim, the silver sockets that formed the Tabernacle’s foundation.
“And a river went out of Eyden to water the Garden….” B’rashith 2.10
“You give them drink from Your river of Eydauneecha delights.” Tehillim 36.9
וְנַחַל עֲדָנֶיךָ תַשְׁקֵם.
Ezekiel 47 states, “a river went out from under the threshold of the House….”
In Nehemiah 9.25 the word Ve’YithEdenu וַיִּתְעַדְּנוּ means to luxuriate or delight and is connected to Eden, as in Gan Eden (Blessing or ABUNDANCE). The root is Ayden or Eyden and is further connected to, (as a contraction of) Eyd (witness) and Dan (Judge).
“From twenty years old and upwards ….” Thus, the half shekel comes to teach that the Tabernacle elevates and delights those who support it; for it’s supporters are (a never-ending, eternal) witness (Zechor remembrance) to the Cloud of Glory (Adonay Tzavayoth) and the Judgement of Mitzrayim (Egypt).
When Am Yisrael gives the Half Shekel, as a collective whole, Am Yisrael (the People of Israel) are a witness, (singular) to the Redemption (the Strong Hand) of HaShem. (Everyone whose heart is willing shall give My Offering Terumah)
The Adanim silver sockets are related to Adath Tzaddikim (Assemblies of the Righteous) for the Half-Shekel made atonement for the People of Israel….
Thus it is written, “With a Strong Hand HaShem brought you out of Mitzrayim. Therefore it shall be for a remembrance between your eyes … That the law of the L-RD shall be in your mouth.”
Tehillim 34.13 “Who is the man that delights in life, and loveth days, that he may see good therein?” He should dwell in the tents of Ya’acov – Adath Tzaddikim (Assemblies of the Righteous) from where the Book of the Law never departs: B’midbar 24.5 “How goodly are your tents O’Ya’acov, thy dwelling places O’Yisrael.”
Devarim 30.14 “It is very near you, in your mouth that you may do it.”
Y’hoshua 1.8 “This book of the Law shall not depart out of thy mouth but you shall meditate upon it day and night.”
Isaiah 59. “And as for Me, this is My covenant with them, saith the L-RD; My spirit that is upon thee, and My words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed’s seed, saith the L-RD, from henceforth and for ever.”
Tehillim 1.2 “And in His Law does he delight/meditate day and night.”